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Finding the Fourth Proportional to 48,996.56, 73,508.56 and 15,718.56

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Solution

The fourth proportional to 48,996.56, 73,508.56 and 15,718.56 is: 23,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,996.56 : 73,508.56 = 15,718.56 : x
  2. Step 2: Convert to fraction form
    48,996.56/73,508.56 = 15,718.56/x
  3. Step 3: Cross multiply
    48,996.56x = 73,508.56 × 15,718.56
  4. Step 4: Simplify right side
    48,996.56x = 1,155,448,710.87
  5. Step 5: Solve for x
    x = 1,155,448,710.87/48,996.56
  6. Step 6: Final answer
    x = 23,582.24

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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.