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Finding the Fourth Proportional to 48,383.68, 72,560.16 and 15,544

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Solution

The fourth proportional to 48,383.68, 72,560.16 and 15,544 is: 23,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.68 : 72,560.16 = 15,544 : x
  2. Step 2: Convert to fraction form
    48,383.68/72,560.16 = 15,544/x
  3. Step 3: Cross multiply
    48,383.68x = 72,560.16 × 15,544
  4. Step 4: Simplify right side
    48,383.68x = 1,127,875,127.04
  5. Step 5: Solve for x
    x = 1,127,875,127.04/48,383.68
  6. Step 6: Final answer
    x = 23,311.07

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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.