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Finding the Fourth Proportional to 8,570.52, 12,857.04 and 3,022.86

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Solution

The fourth proportional to 8,570.52, 12,857.04 and 3,022.86 is: 4,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.52 : 12,857.04 = 3,022.86 : x
  2. Step 2: Convert to fraction form
    8,570.52/12,857.04 = 3,022.86/x
  3. Step 3: Cross multiply
    8,570.52x = 12,857.04 × 3,022.86
  4. Step 4: Simplify right side
    8,570.52x = 38,865,031.93
  5. Step 5: Solve for x
    x = 38,865,031.93/8,570.52
  6. Step 6: Final answer
    x = 4,534.73

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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.