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Finding the Fourth Proportional to 60,670.85, 91,006.28 and 38,582.15

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Solution

The fourth proportional to 60,670.85, 91,006.28 and 38,582.15 is: 57,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,670.85 : 91,006.28 = 38,582.15 : x
  2. Step 2: Convert to fraction form
    60,670.85/91,006.28 = 38,582.15/x
  3. Step 3: Cross multiply
    60,670.85x = 91,006.28 × 38,582.15
  4. Step 4: Simplify right side
    60,670.85x = 3,511,217,752.99
  5. Step 5: Solve for x
    x = 3,511,217,752.99/60,670.85
  6. Step 6: Final answer
    x = 57,873.23

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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.