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Finding the Fourth Proportional to 62,957.44, 86,880.96 and 34,663.12

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Solution

The fourth proportional to 62,957.44, 86,880.96 and 34,663.12 is: 47,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,957.44 : 86,880.96 = 34,663.12 : x
  2. Step 2: Convert to fraction form
    62,957.44/86,880.96 = 34,663.12/x
  3. Step 3: Cross multiply
    62,957.44x = 86,880.96 × 34,663.12
  4. Step 4: Simplify right side
    62,957.44x = 3,011,565,142.20
  5. Step 5: Solve for x
    x = 3,011,565,142.20/62,957.44
  6. Step 6: Final answer
    x = 47,834.94

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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.