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Finding the Fourth Proportional to 48,376.30, 66,750.87 and 27,156.46

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Solution

The fourth proportional to 48,376.30, 66,750.87 and 27,156.46 is: 37,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,376.30 : 66,750.87 = 27,156.46 : x
  2. Step 2: Convert to fraction form
    48,376.30/66,750.87 = 27,156.46/x
  3. Step 3: Cross multiply
    48,376.30x = 66,750.87 × 27,156.46
  4. Step 4: Simplify right side
    48,376.30x = 1,812,717,331.12
  5. Step 5: Solve for x
    x = 1,812,717,331.12/48,376.30
  6. Step 6: Final answer
    x = 37,471.19

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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.