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Finding the Fourth Proportional to 30,000.76, 41,392.74 and 17,253.25

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Solution

The fourth proportional to 30,000.76, 41,392.74 and 17,253.25 is: 23,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.76 : 41,392.74 = 17,253.25 : x
  2. Step 2: Convert to fraction form
    30,000.76/41,392.74 = 17,253.25/x
  3. Step 3: Cross multiply
    30,000.76x = 41,392.74 × 17,253.25
  4. Step 4: Simplify right side
    30,000.76x = 714,159,291.41
  5. Step 5: Solve for x
    x = 714,159,291.41/30,000.76
  6. Step 6: Final answer
    x = 23,804.71

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Half scale
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Double scale
Find fourth proportional to 30,001.76, 41,394.12 and 17,254.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.