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Finding the Fourth Proportional to 36,087.92, 54,125.04 and 9,789.20

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Solution

The fourth proportional to 36,087.92, 54,125.04 and 9,789.20 is: 14,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.92 : 54,125.04 = 9,789.20 : x
  2. Step 2: Convert to fraction form
    36,087.92/54,125.04 = 9,789.20/x
  3. Step 3: Cross multiply
    36,087.92x = 54,125.04 × 9,789.20
  4. Step 4: Simplify right side
    36,087.92x = 529,840,841.57
  5. Step 5: Solve for x
    x = 529,840,841.57/36,087.92
  6. Step 6: Final answer
    x = 14,681.94

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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.