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Finding the Fourth Proportional to 15,319.22, 22,961.19 and 8,750.12

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Solution

The fourth proportional to 15,319.22, 22,961.19 and 8,750.12 is: 13,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.22 : 22,961.19 = 8,750.12 : x
  2. Step 2: Convert to fraction form
    15,319.22/22,961.19 = 8,750.12/x
  3. Step 3: Cross multiply
    15,319.22x = 22,961.19 × 8,750.12
  4. Step 4: Simplify right side
    15,319.22x = 200,913,167.84
  5. Step 5: Solve for x
    x = 200,913,167.84/15,319.22
  6. Step 6: Final answer
    x = 13,115.10

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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.