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Finding the Fourth Proportional to 40,602.59, 60,888.26 and 13,943.61

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Solution

The fourth proportional to 40,602.59, 60,888.26 and 13,943.61 is: 20,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.59 : 60,888.26 = 13,943.61 : x
  2. Step 2: Convert to fraction form
    40,602.59/60,888.26 = 13,943.61/x
  3. Step 3: Cross multiply
    40,602.59x = 60,888.26 × 13,943.61
  4. Step 4: Simplify right side
    40,602.59x = 849,002,081.30
  5. Step 5: Solve for x
    x = 849,002,081.30/40,602.59
  6. Step 6: Final answer
    x = 20,910.05

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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.