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Finding the Fourth Proportional to 9,425.76, 13,001.80 and 6,776.76

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Solution

The fourth proportional to 9,425.76, 13,001.80 and 6,776.76 is: 9,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.76 : 13,001.80 = 6,776.76 : x
  2. Step 2: Convert to fraction form
    9,425.76/13,001.80 = 6,776.76/x
  3. Step 3: Cross multiply
    9,425.76x = 13,001.80 × 6,776.76
  4. Step 4: Simplify right side
    9,425.76x = 88,110,078.17
  5. Step 5: Solve for x
    x = 88,110,078.17/9,425.76
  6. Step 6: Final answer
    x = 9,347.80

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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.