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Finding the Fourth Proportional to 48,808.44, 73,012.19 and 38,966.94

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Solution

The fourth proportional to 48,808.44, 73,012.19 and 38,966.94 is: 58,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.44 : 73,012.19 = 38,966.94 : x
  2. Step 2: Convert to fraction form
    48,808.44/73,012.19 = 38,966.94/x
  3. Step 3: Cross multiply
    48,808.44x = 73,012.19 × 38,966.94
  4. Step 4: Simplify right side
    48,808.44x = 2,845,061,432.16
  5. Step 5: Solve for x
    x = 2,845,061,432.16/48,808.44
  6. Step 6: Final answer
    x = 58,290.36

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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.