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Finding the Fourth Proportional to 36,322.80, 54,419.40 and 29,713.20

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Solution

The fourth proportional to 36,322.80, 54,419.40 and 29,713.20 is: 44,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.80 : 54,419.40 = 29,713.20 : x
  2. Step 2: Convert to fraction form
    36,322.80/54,419.40 = 29,713.20/x
  3. Step 3: Cross multiply
    36,322.80x = 54,419.40 × 29,713.20
  4. Step 4: Simplify right side
    36,322.80x = 1,616,974,516.08
  5. Step 5: Solve for x
    x = 1,616,974,516.08/36,322.80
  6. Step 6: Final answer
    x = 44,516.79

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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.