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Finding the Fourth Proportional to 40,297.66, 60,446.37 and 10,715.47

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Solution

The fourth proportional to 40,297.66, 60,446.37 and 10,715.47 is: 16,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.66 : 60,446.37 = 10,715.47 : x
  2. Step 2: Convert to fraction form
    40,297.66/60,446.37 = 10,715.47/x
  3. Step 3: Cross multiply
    40,297.66x = 60,446.37 × 10,715.47
  4. Step 4: Simplify right side
    40,297.66x = 647,711,264.34
  5. Step 5: Solve for x
    x = 647,711,264.34/40,297.66
  6. Step 6: Final answer
    x = 16,073.17

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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.