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Finding the Fourth Proportional to 62,607.42, 86,397.30 and 34,313.13

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Solution

The fourth proportional to 62,607.42, 86,397.30 and 34,313.13 is: 47,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.42 : 86,397.30 = 34,313.13 : x
  2. Step 2: Convert to fraction form
    62,607.42/86,397.30 = 34,313.13/x
  3. Step 3: Cross multiply
    62,607.42x = 86,397.30 × 34,313.13
  4. Step 4: Simplify right side
    62,607.42x = 2,964,561,786.55
  5. Step 5: Solve for x
    x = 2,964,561,786.55/62,607.42
  6. Step 6: Final answer
    x = 47,351.60

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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.