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Finding the Fourth Proportional to 44,487.40, 66,731.10 and 44,228.20

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Solution

The fourth proportional to 44,487.40, 66,731.10 and 44,228.20 is: 66,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,487.40 : 66,731.10 = 44,228.20 : x
  2. Step 2: Convert to fraction form
    44,487.40/66,731.10 = 44,228.20/x
  3. Step 3: Cross multiply
    44,487.40x = 66,731.10 × 44,228.20
  4. Step 4: Simplify right side
    44,487.40x = 2,951,396,437.02
  5. Step 5: Solve for x
    x = 2,951,396,437.02/44,487.40
  6. Step 6: Final answer
    x = 66,342.30

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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.