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Finding the Fourth Proportional to 62,462.72, 93,699.10 and 20,342.02

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Solution

The fourth proportional to 62,462.72, 93,699.10 and 20,342.02 is: 30,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,462.72 : 93,699.10 = 20,342.02 : x
  2. Step 2: Convert to fraction form
    62,462.72/93,699.10 = 20,342.02/x
  3. Step 3: Cross multiply
    62,462.72x = 93,699.10 × 20,342.02
  4. Step 4: Simplify right side
    62,462.72x = 1,906,028,966.18
  5. Step 5: Solve for x
    x = 1,906,028,966.18/62,462.72
  6. Step 6: Final answer
    x = 30,514.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.