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Finding the Fourth Proportional to 15,000.80, 22,496.88 and 4,470.40

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Solution

The fourth proportional to 15,000.80, 22,496.88 and 4,470.40 is: 6,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.80 : 22,496.88 = 4,470.40 : x
  2. Step 2: Convert to fraction form
    15,000.80/22,496.88 = 4,470.40/x
  3. Step 3: Cross multiply
    15,000.80x = 22,496.88 × 4,470.40
  4. Step 4: Simplify right side
    15,000.80x = 100,570,052.35
  5. Step 5: Solve for x
    x = 100,570,052.35/15,000.80
  6. Step 6: Final answer
    x = 6,704.31

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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.