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Finding the Fourth Proportional to 69,809.52, 96,337.16 and 39,585.16

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Solution

The fourth proportional to 69,809.52, 96,337.16 and 39,585.16 is: 54,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,809.52 : 96,337.16 = 39,585.16 : x
  2. Step 2: Convert to fraction form
    69,809.52/96,337.16 = 39,585.16/x
  3. Step 3: Cross multiply
    69,809.52x = 96,337.16 × 39,585.16
  4. Step 4: Simplify right side
    69,809.52x = 3,813,521,892.55
  5. Step 5: Solve for x
    x = 3,813,521,892.55/69,809.52
  6. Step 6: Final answer
    x = 54,627.53

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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.