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Finding the Fourth Proportional to 7,565.25, 10,440.05 and 4,253.25

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Solution

The fourth proportional to 7,565.25, 10,440.05 and 4,253.25 is: 5,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.25 : 10,440.05 = 4,253.25 : x
  2. Step 2: Convert to fraction form
    7,565.25/10,440.05 = 4,253.25/x
  3. Step 3: Cross multiply
    7,565.25x = 10,440.05 × 4,253.25
  4. Step 4: Simplify right side
    7,565.25x = 44,404,142.66
  5. Step 5: Solve for x
    x = 44,404,142.66/7,565.25
  6. Step 6: Final answer
    x = 5,869.49

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Double scale
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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.