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Finding the Fourth Proportional to 48,780.90, 73,163.71 and 15,496.59

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Solution

The fourth proportional to 48,780.90, 73,163.71 and 15,496.59 is: 23,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.90 : 73,163.71 = 15,496.59 : x
  2. Step 2: Convert to fraction form
    48,780.90/73,163.71 = 15,496.59/x
  3. Step 3: Cross multiply
    48,780.90x = 73,163.71 × 15,496.59
  4. Step 4: Simplify right side
    48,780.90x = 1,133,788,016.75
  5. Step 5: Solve for x
    x = 1,133,788,016.75/48,780.90
  6. Step 6: Final answer
    x = 23,242.46

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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.