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Finding the Fourth Proportional to 60,995.76, 84,226.11 and 38,372.63

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Solution

The fourth proportional to 60,995.76, 84,226.11 and 38,372.63 is: 52,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,995.76 : 84,226.11 = 38,372.63 : x
  2. Step 2: Convert to fraction form
    60,995.76/84,226.11 = 38,372.63/x
  3. Step 3: Cross multiply
    60,995.76x = 84,226.11 × 38,372.63
  4. Step 4: Simplify right side
    60,995.76x = 3,231,976,934.24
  5. Step 5: Solve for x
    x = 3,231,976,934.24/60,995.76
  6. Step 6: Final answer
    x = 52,986.91

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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.