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Finding the Fourth Proportional to 41,981.60, 62,950.80 and 15,672.80

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Solution

The fourth proportional to 41,981.60, 62,950.80 and 15,672.80 is: 23,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.60 : 62,950.80 = 15,672.80 : x
  2. Step 2: Convert to fraction form
    41,981.60/62,950.80 = 15,672.80/x
  3. Step 3: Cross multiply
    41,981.60x = 62,950.80 × 15,672.80
  4. Step 4: Simplify right side
    41,981.60x = 986,615,298.24
  5. Step 5: Solve for x
    x = 986,615,298.24/41,981.60
  6. Step 6: Final answer
    x = 23,501.14

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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.