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Finding the Fourth Proportional to 56,479.62, 84,690.49 and 29,839.91

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Solution

The fourth proportional to 56,479.62, 84,690.49 and 29,839.91 is: 44,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.62 : 84,690.49 = 29,839.91 : x
  2. Step 2: Convert to fraction form
    56,479.62/84,690.49 = 29,839.91/x
  3. Step 3: Cross multiply
    56,479.62x = 84,690.49 × 29,839.91
  4. Step 4: Simplify right side
    56,479.62x = 2,527,156,176.00
  5. Step 5: Solve for x
    x = 2,527,156,176.00/56,479.62
  6. Step 6: Final answer
    x = 44,744.57

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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.