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Finding the Fourth Proportional to 26,689.99, 40,034.98 and 10,902.47

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Solution

The fourth proportional to 26,689.99, 40,034.98 and 10,902.47 is: 16,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.99 : 40,034.98 = 10,902.47 : x
  2. Step 2: Convert to fraction form
    26,689.99/40,034.98 = 10,902.47/x
  3. Step 3: Cross multiply
    26,689.99x = 40,034.98 × 10,902.47
  4. Step 4: Simplify right side
    26,689.99x = 436,480,350.31
  5. Step 5: Solve for x
    x = 436,480,350.31/26,689.99
  6. Step 6: Final answer
    x = 16,353.71

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Similar ratio
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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.