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Finding the Fourth Proportional to 59,650.40, 89,373.20 and 38,863.20

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Solution

The fourth proportional to 59,650.40, 89,373.20 and 38,863.20 is: 58,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,650.40 : 89,373.20 = 38,863.20 : x
  2. Step 2: Convert to fraction form
    59,650.40/89,373.20 = 38,863.20/x
  3. Step 3: Cross multiply
    59,650.40x = 89,373.20 × 38,863.20
  4. Step 4: Simplify right side
    59,650.40x = 3,473,328,546.24
  5. Step 5: Solve for x
    x = 3,473,328,546.24/59,650.40
  6. Step 6: Final answer
    x = 58,228.08

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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.