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Finding the Fourth Proportional to 40,259.52, 60,385.68 and 13,963.68

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Solution

The fourth proportional to 40,259.52, 60,385.68 and 13,963.68 is: 20,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.52 : 60,385.68 = 13,963.68 : x
  2. Step 2: Convert to fraction form
    40,259.52/60,385.68 = 13,963.68/x
  3. Step 3: Cross multiply
    40,259.52x = 60,385.68 × 13,963.68
  4. Step 4: Simplify right side
    40,259.52x = 843,206,312.10
  5. Step 5: Solve for x
    x = 843,206,312.10/40,259.52
  6. Step 6: Final answer
    x = 20,944.27

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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.