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Finding the Fourth Proportional to 48,502.32, 66,932.72 and 26,991.71

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Solution

The fourth proportional to 48,502.32, 66,932.72 and 26,991.71 is: 37,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.32 : 66,932.72 = 26,991.71 : x
  2. Step 2: Convert to fraction form
    48,502.32/66,932.72 = 26,991.71/x
  3. Step 3: Cross multiply
    48,502.32x = 66,932.72 × 26,991.71
  4. Step 4: Simplify right side
    48,502.32x = 1,806,628,098.13
  5. Step 5: Solve for x
    x = 1,806,628,098.13/48,502.32
  6. Step 6: Final answer
    x = 37,248.28

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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.