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Finding the Fourth Proportional to 48,881.40, 73,322.64 and 15,601.20

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Solution

The fourth proportional to 48,881.40, 73,322.64 and 15,601.20 is: 23,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,881.40 : 73,322.64 = 15,601.20 : x
  2. Step 2: Convert to fraction form
    48,881.40/73,322.64 = 15,601.20/x
  3. Step 3: Cross multiply
    48,881.40x = 73,322.64 × 15,601.20
  4. Step 4: Simplify right side
    48,881.40x = 1,143,921,171.17
  5. Step 5: Solve for x
    x = 1,143,921,171.17/48,881.40
  6. Step 6: Final answer
    x = 23,401.97

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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.