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Finding the Fourth Proportional to 36,474.40, 54,679.20 and 24,000.40

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Solution

The fourth proportional to 36,474.40, 54,679.20 and 24,000.40 is: 35,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.40 : 54,679.20 = 24,000.40 : x
  2. Step 2: Convert to fraction form
    36,474.40/54,679.20 = 24,000.40/x
  3. Step 3: Cross multiply
    36,474.40x = 54,679.20 × 24,000.40
  4. Step 4: Simplify right side
    36,474.40x = 1,312,322,671.68
  5. Step 5: Solve for x
    x = 1,312,322,671.68/36,474.40
  6. Step 6: Final answer
    x = 35,979.28

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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.