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Finding the Fourth Proportional to 83,297.40, 125,001.42 and 38,927.56

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Solution

The fourth proportional to 83,297.40, 125,001.42 and 38,927.56 is: 58,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,297.40 : 125,001.42 = 38,927.56 : x
  2. Step 2: Convert to fraction form
    83,297.40/125,001.42 = 38,927.56/x
  3. Step 3: Cross multiply
    83,297.40x = 125,001.42 × 38,927.56
  4. Step 4: Simplify right side
    83,297.40x = 4,866,000,277.14
  5. Step 5: Solve for x
    x = 4,866,000,277.14/83,297.40
  6. Step 6: Final answer
    x = 58,417.19

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1.5x scale

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.