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Finding the Fourth Proportional to 48,309.90, 72,461.81 and 15,027.41

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Solution

The fourth proportional to 48,309.90, 72,461.81 and 15,027.41 is: 22,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309.90 : 72,461.81 = 15,027.41 : x
  2. Step 2: Convert to fraction form
    48,309.90/72,461.81 = 15,027.41/x
  3. Step 3: Cross multiply
    48,309.90x = 72,461.81 × 15,027.41
  4. Step 4: Simplify right side
    48,309.90x = 1,088,912,890.77
  5. Step 5: Solve for x
    x = 1,088,912,890.77/48,309.90
  6. Step 6: Final answer
    x = 22,540.16

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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.