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Finding the Fourth Proportional to 44,807.87, 67,221.54 and 13,642.31

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Solution

The fourth proportional to 44,807.87, 67,221.54 and 13,642.31 is: 20,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,807.87 : 67,221.54 = 13,642.31 : x
  2. Step 2: Convert to fraction form
    44,807.87/67,221.54 = 13,642.31/x
  3. Step 3: Cross multiply
    44,807.87x = 67,221.54 × 13,642.31
  4. Step 4: Simplify right side
    44,807.87x = 917,057,255.41
  5. Step 5: Solve for x
    x = 917,057,255.41/44,807.87
  6. Step 6: Final answer
    x = 20,466.43

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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.