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Finding the Fourth Proportional to 52,394.69, 72,311.80 and 29,742.83

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Solution

The fourth proportional to 52,394.69, 72,311.80 and 29,742.83 is: 41,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.69 : 72,311.80 = 29,742.83 : x
  2. Step 2: Convert to fraction form
    52,394.69/72,311.80 = 29,742.83/x
  3. Step 3: Cross multiply
    52,394.69x = 72,311.80 × 29,742.83
  4. Step 4: Simplify right side
    52,394.69x = 2,150,757,574.39
  5. Step 5: Solve for x
    x = 2,150,757,574.39/52,394.69
  6. Step 6: Final answer
    x = 41,049.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.