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Finding the Fourth Proportional to 52,730.73, 79,079.80 and 15,293.56

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Solution

The fourth proportional to 52,730.73, 79,079.80 and 15,293.56 is: 22,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.73 : 79,079.80 = 15,293.56 : x
  2. Step 2: Convert to fraction form
    52,730.73/79,079.80 = 15,293.56/x
  3. Step 3: Cross multiply
    52,730.73x = 79,079.80 × 15,293.56
  4. Step 4: Simplify right side
    52,730.73x = 1,209,411,310.56
  5. Step 5: Solve for x
    x = 1,209,411,310.56/52,730.73
  6. Step 6: Final answer
    x = 22,935.61

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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.