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Finding the Fourth Proportional to 62,605.68, 86,396.58 and 34,310.76

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Solution

The fourth proportional to 62,605.68, 86,396.58 and 34,310.76 is: 47,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.68 : 86,396.58 = 34,310.76 : x
  2. Step 2: Convert to fraction form
    62,605.68/86,396.58 = 34,310.76/x
  3. Step 3: Cross multiply
    62,605.68x = 86,396.58 × 34,310.76
  4. Step 4: Simplify right side
    62,605.68x = 2,964,332,321.20
  5. Step 5: Solve for x
    x = 2,964,332,321.20/62,605.68
  6. Step 6: Final answer
    x = 47,349.26

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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.