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Finding the Fourth Proportional to 62,610.72, 86,401.68 and 34,316.64

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Solution

The fourth proportional to 62,610.72, 86,401.68 and 34,316.64 is: 47,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,610.72 : 86,401.68 = 34,316.64 : x
  2. Step 2: Convert to fraction form
    62,610.72/86,401.68 = 34,316.64/x
  3. Step 3: Cross multiply
    62,610.72x = 86,401.68 × 34,316.64
  4. Step 4: Simplify right side
    62,610.72x = 2,965,015,347.96
  5. Step 5: Solve for x
    x = 2,965,015,347.96/62,610.72
  6. Step 6: Final answer
    x = 47,356.35

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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.