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Finding the Fourth Proportional to 24,470.70, 36,720.45 and 8,889.90

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Solution

The fourth proportional to 24,470.70, 36,720.45 and 8,889.90 is: 13,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,470.70 : 36,720.45 = 8,889.90 : x
  2. Step 2: Convert to fraction form
    24,470.70/36,720.45 = 8,889.90/x
  3. Step 3: Cross multiply
    24,470.70x = 36,720.45 × 8,889.90
  4. Step 4: Simplify right side
    24,470.70x = 326,441,128.46
  5. Step 5: Solve for x
    x = 326,441,128.46/24,470.70
  6. Step 6: Final answer
    x = 13,340.08

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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.