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Finding the Fourth Proportional to 62,751.66, 86,597.40 and 34,459.20

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Solution

The fourth proportional to 62,751.66, 86,597.40 and 34,459.20 is: 47,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.66 : 86,597.40 = 34,459.20 : x
  2. Step 2: Convert to fraction form
    62,751.66/86,597.40 = 34,459.20/x
  3. Step 3: Cross multiply
    62,751.66x = 86,597.40 × 34,459.20
  4. Step 4: Simplify right side
    62,751.66x = 2,984,077,126.08
  5. Step 5: Solve for x
    x = 2,984,077,126.08/62,751.66
  6. Step 6: Final answer
    x = 47,553.76

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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.