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Finding the Fourth Proportional to 39,632.80, 54,657.84 and 26,217.76

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Solution

The fourth proportional to 39,632.80, 54,657.84 and 26,217.76 is: 36,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.80 : 54,657.84 = 26,217.76 : x
  2. Step 2: Convert to fraction form
    39,632.80/54,657.84 = 26,217.76/x
  3. Step 3: Cross multiply
    39,632.80x = 54,657.84 × 26,217.76
  4. Step 4: Simplify right side
    39,632.80x = 1,433,006,131.24
  5. Step 5: Solve for x
    x = 1,433,006,131.24/39,632.80
  6. Step 6: Final answer
    x = 36,157.08

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