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Finding the Fourth Proportional to 62,098.43, 85,532.58 and 47,730.78

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Solution

The fourth proportional to 62,098.43, 85,532.58 and 47,730.78 is: 65,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,098.43 : 85,532.58 = 47,730.78 : x
  2. Step 2: Convert to fraction form
    62,098.43/85,532.58 = 47,730.78/x
  3. Step 3: Cross multiply
    62,098.43x = 85,532.58 × 47,730.78
  4. Step 4: Simplify right side
    62,098.43x = 4,082,536,758.81
  5. Step 5: Solve for x
    x = 4,082,536,758.81/62,098.43
  6. Step 6: Final answer
    x = 65,743.00

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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.