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Finding the Fourth Proportional to 23,151.50, 34,720.08 and 8,358.50

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Solution

The fourth proportional to 23,151.50, 34,720.08 and 8,358.50 is: 12,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.50 : 34,720.08 = 8,358.50 : x
  2. Step 2: Convert to fraction form
    23,151.50/34,720.08 = 8,358.50/x
  3. Step 3: Cross multiply
    23,151.50x = 34,720.08 × 8,358.50
  4. Step 4: Simplify right side
    23,151.50x = 290,207,788.68
  5. Step 5: Solve for x
    x = 290,207,788.68/23,151.50
  6. Step 6: Final answer
    x = 12,535.16

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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.