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Finding the Fourth Proportional to 44,807.12, 67,220.88 and 13,644.80

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Solution

The fourth proportional to 44,807.12, 67,220.88 and 13,644.80 is: 20,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,807.12 : 67,220.88 = 13,644.80 : x
  2. Step 2: Convert to fraction form
    44,807.12/67,220.88 = 13,644.80/x
  3. Step 3: Cross multiply
    44,807.12x = 67,220.88 × 13,644.80
  4. Step 4: Simplify right side
    44,807.12x = 917,215,463.42
  5. Step 5: Solve for x
    x = 917,215,463.42/44,807.12
  6. Step 6: Final answer
    x = 20,470.31

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1.5x scale

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.