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Finding the Fourth Proportional to 58,920.20, 88,391.10 and 23,863.40

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Solution

The fourth proportional to 58,920.20, 88,391.10 and 23,863.40 is: 35,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.20 : 88,391.10 = 23,863.40 : x
  2. Step 2: Convert to fraction form
    58,920.20/88,391.10 = 23,863.40/x
  3. Step 3: Cross multiply
    58,920.20x = 88,391.10 × 23,863.40
  4. Step 4: Simplify right side
    58,920.20x = 2,109,312,175.74
  5. Step 5: Solve for x
    x = 2,109,312,175.74/58,920.20
  6. Step 6: Final answer
    x = 35,799.47

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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.