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Finding the Fourth Proportional to 59,872.01, 89,863.65 and 30,310.79

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Solution

The fourth proportional to 59,872.01, 89,863.65 and 30,310.79 is: 45,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.01 : 89,863.65 = 30,310.79 : x
  2. Step 2: Convert to fraction form
    59,872.01/89,863.65 = 30,310.79/x
  3. Step 3: Cross multiply
    59,872.01x = 89,863.65 × 30,310.79
  4. Step 4: Simplify right side
    59,872.01x = 2,723,837,774.47
  5. Step 5: Solve for x
    x = 2,723,837,774.47/59,872.01
  6. Step 6: Final answer
    x = 45,494.35

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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.