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Finding the Fourth Proportional to 52,863.73, 79,294.50 and 12,882.94

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Solution

The fourth proportional to 52,863.73, 79,294.50 and 12,882.94 is: 19,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.73 : 79,294.50 = 12,882.94 : x
  2. Step 2: Convert to fraction form
    52,863.73/79,294.50 = 12,882.94/x
  3. Step 3: Cross multiply
    52,863.73x = 79,294.50 × 12,882.94
  4. Step 4: Simplify right side
    52,863.73x = 1,021,546,285.83
  5. Step 5: Solve for x
    x = 1,021,546,285.83/52,863.73
  6. Step 6: Final answer
    x = 19,324.14

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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.