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Finding the Fourth Proportional to 36,140.80, 54,124.80 and 29,228.80

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Solution

The fourth proportional to 36,140.80, 54,124.80 and 29,228.80 is: 43,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.80 : 54,124.80 = 29,228.80 : x
  2. Step 2: Convert to fraction form
    36,140.80/54,124.80 = 29,228.80/x
  3. Step 3: Cross multiply
    36,140.80x = 54,124.80 × 29,228.80
  4. Step 4: Simplify right side
    36,140.80x = 1,582,002,954.24
  5. Step 5: Solve for x
    x = 1,582,002,954.24/36,140.80
  6. Step 6: Final answer
    x = 43,773.32

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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.