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Finding the Fourth Proportional to 52,757.46, 79,136.19 and 15,821.46

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Solution

The fourth proportional to 52,757.46, 79,136.19 and 15,821.46 is: 23,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.46 : 79,136.19 = 15,821.46 : x
  2. Step 2: Convert to fraction form
    52,757.46/79,136.19 = 15,821.46/x
  3. Step 3: Cross multiply
    52,757.46x = 79,136.19 × 15,821.46
  4. Step 4: Simplify right side
    52,757.46x = 1,252,050,064.64
  5. Step 5: Solve for x
    x = 1,252,050,064.64/52,757.46
  6. Step 6: Final answer
    x = 23,732.19

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1.5x scale

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.