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Finding the Fourth Proportional to 52,834.42, 79,251.72 and 39,521.26

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Solution

The fourth proportional to 52,834.42, 79,251.72 and 39,521.26 is: 59,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,834.42 : 79,251.72 = 39,521.26 : x
  2. Step 2: Convert to fraction form
    52,834.42/79,251.72 = 39,521.26/x
  3. Step 3: Cross multiply
    52,834.42x = 79,251.72 × 39,521.26
  4. Step 4: Simplify right side
    52,834.42x = 3,132,127,831.57
  5. Step 5: Solve for x
    x = 3,132,127,831.57/52,834.42
  6. Step 6: Final answer
    x = 59,281.96

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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.