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Finding the Fourth Proportional to 48,747.80, 73,121.70 and 33,001.40

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Solution

The fourth proportional to 48,747.80, 73,121.70 and 33,001.40 is: 49,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,747.80 : 73,121.70 = 33,001.40 : x
  2. Step 2: Convert to fraction form
    48,747.80/73,121.70 = 33,001.40/x
  3. Step 3: Cross multiply
    48,747.80x = 73,121.70 × 33,001.40
  4. Step 4: Simplify right side
    48,747.80x = 2,413,118,470.38
  5. Step 5: Solve for x
    x = 2,413,118,470.38/48,747.80
  6. Step 6: Final answer
    x = 49,502.10

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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.