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Finding the Fourth Proportional to 48,470.70, 72,706.05 and 25,104.30

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Solution

The fourth proportional to 48,470.70, 72,706.05 and 25,104.30 is: 37,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.70 : 72,706.05 = 25,104.30 : x
  2. Step 2: Convert to fraction form
    48,470.70/72,706.05 = 25,104.30/x
  3. Step 3: Cross multiply
    48,470.70x = 72,706.05 × 25,104.30
  4. Step 4: Simplify right side
    48,470.70x = 1,825,234,491.02
  5. Step 5: Solve for x
    x = 1,825,234,491.02/48,470.70
  6. Step 6: Final answer
    x = 37,656.45

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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.