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Finding the Fourth Proportional to 44,044.40, 65,979.12 and 36,171.20

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Solution

The fourth proportional to 44,044.40, 65,979.12 and 36,171.20 is: 54,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,044.40 : 65,979.12 = 36,171.20 : x
  2. Step 2: Convert to fraction form
    44,044.40/65,979.12 = 36,171.20/x
  3. Step 3: Cross multiply
    44,044.40x = 65,979.12 × 36,171.20
  4. Step 4: Simplify right side
    44,044.40x = 2,386,543,945.34
  5. Step 5: Solve for x
    x = 2,386,543,945.34/44,044.40
  6. Step 6: Final answer
    x = 54,184.96

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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.