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Finding the Fourth Proportional to 40,887.50, 56,425.97 and 24,120.50

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Solution

The fourth proportional to 40,887.50, 56,425.97 and 24,120.50 is: 33,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.50 : 56,425.97 = 24,120.50 : x
  2. Step 2: Convert to fraction form
    40,887.50/56,425.97 = 24,120.50/x
  3. Step 3: Cross multiply
    40,887.50x = 56,425.97 × 24,120.50
  4. Step 4: Simplify right side
    40,887.50x = 1,361,022,488.78
  5. Step 5: Solve for x
    x = 1,361,022,488.78/40,887.50
  6. Step 6: Final answer
    x = 33,287.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.