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Finding the Fourth Proportional to 52,602.97, 78,909.71 and 15,163.96

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Solution

The fourth proportional to 52,602.97, 78,909.71 and 15,163.96 is: 22,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.97 : 78,909.71 = 15,163.96 : x
  2. Step 2: Convert to fraction form
    52,602.97/78,909.71 = 15,163.96/x
  3. Step 3: Cross multiply
    52,602.97x = 78,909.71 × 15,163.96
  4. Step 4: Simplify right side
    52,602.97x = 1,196,583,686.05
  5. Step 5: Solve for x
    x = 1,196,583,686.05/52,602.97
  6. Step 6: Final answer
    x = 22,747.45

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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.