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Finding the Fourth Proportional to 48,492.48, 72,747.36 and 17,371.20

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Solution

The fourth proportional to 48,492.48, 72,747.36 and 17,371.20 is: 26,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.48 : 72,747.36 = 17,371.20 : x
  2. Step 2: Convert to fraction form
    48,492.48/72,747.36 = 17,371.20/x
  3. Step 3: Cross multiply
    48,492.48x = 72,747.36 × 17,371.20
  4. Step 4: Simplify right side
    48,492.48x = 1,263,708,940.03
  5. Step 5: Solve for x
    x = 1,263,708,940.03/48,492.48
  6. Step 6: Final answer
    x = 26,059.90

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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.