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Finding the Fourth Proportional to 8,017.72, 11,964.78 and 7,045.92

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Solution

The fourth proportional to 8,017.72, 11,964.78 and 7,045.92 is: 10,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.72 : 11,964.78 = 7,045.92 : x
  2. Step 2: Convert to fraction form
    8,017.72/11,964.78 = 7,045.92/x
  3. Step 3: Cross multiply
    8,017.72x = 11,964.78 × 7,045.92
  4. Step 4: Simplify right side
    8,017.72x = 84,302,882.70
  5. Step 5: Solve for x
    x = 84,302,882.70/8,017.72
  6. Step 6: Final answer
    x = 10,514.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.