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Finding the Fourth Proportional to 60,924.96, 84,052.08 and 38,556

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Solution

The fourth proportional to 60,924.96, 84,052.08 and 38,556 is: 53,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,924.96 : 84,052.08 = 38,556 : x
  2. Step 2: Convert to fraction form
    60,924.96/84,052.08 = 38,556/x
  3. Step 3: Cross multiply
    60,924.96x = 84,052.08 × 38,556
  4. Step 4: Simplify right side
    60,924.96x = 3,240,711,996.48
  5. Step 5: Solve for x
    x = 3,240,711,996.48/60,924.96
  6. Step 6: Final answer
    x = 53,191.86

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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.