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Finding the Fourth Proportional to 54,909.70, 82,364.55 and 37,168.90

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Solution

The fourth proportional to 54,909.70, 82,364.55 and 37,168.90 is: 55,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.70 : 82,364.55 = 37,168.90 : x
  2. Step 2: Convert to fraction form
    54,909.70/82,364.55 = 37,168.90/x
  3. Step 3: Cross multiply
    54,909.70x = 82,364.55 × 37,168.90
  4. Step 4: Simplify right side
    54,909.70x = 3,061,399,722.50
  5. Step 5: Solve for x
    x = 3,061,399,722.50/54,909.70
  6. Step 6: Final answer
    x = 55,753.35

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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.