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Finding the Fourth Proportional to 36,101.70, 54,140.13 and 13,913.24

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Solution

The fourth proportional to 36,101.70, 54,140.13 and 13,913.24 is: 20,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.70 : 54,140.13 = 13,913.24 : x
  2. Step 2: Convert to fraction form
    36,101.70/54,140.13 = 13,913.24/x
  3. Step 3: Cross multiply
    36,101.70x = 54,140.13 × 13,913.24
  4. Step 4: Simplify right side
    36,101.70x = 753,264,351.62
  5. Step 5: Solve for x
    x = 753,264,351.62/36,101.70
  6. Step 6: Final answer
    x = 20,865.07

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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.