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Finding the Fourth Proportional to 52,871, 79,306.56 and 15,935

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Solution

The fourth proportional to 52,871, 79,306.56 and 15,935 is: 23,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871 : 79,306.56 = 15,935 : x
  2. Step 2: Convert to fraction form
    52,871/79,306.56 = 15,935/x
  3. Step 3: Cross multiply
    52,871x = 79,306.56 × 15,935
  4. Step 4: Simplify right side
    52,871x = 1,263,750,033.60
  5. Step 5: Solve for x
    x = 1,263,750,033.60/52,871
  6. Step 6: Final answer
    x = 23,902.52

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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.