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Finding the Fourth Proportional to 48,443.27, 66,868.74 and 35,711.28

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Solution

The fourth proportional to 48,443.27, 66,868.74 and 35,711.28 is: 49,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.27 : 66,868.74 = 35,711.28 : x
  2. Step 2: Convert to fraction form
    48,443.27/66,868.74 = 35,711.28/x
  3. Step 3: Cross multiply
    48,443.27x = 66,868.74 × 35,711.28
  4. Step 4: Simplify right side
    48,443.27x = 2,387,968,297.39
  5. Step 5: Solve for x
    x = 2,387,968,297.39/48,443.27
  6. Step 6: Final answer
    x = 49,294.12

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Why These Related Problems?

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