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Finding the Fourth Proportional to 8,572.59, 12,859.92 and 3,024.78

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Solution

The fourth proportional to 8,572.59, 12,859.92 and 3,024.78 is: 4,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.59 : 12,859.92 = 3,024.78 : x
  2. Step 2: Convert to fraction form
    8,572.59/12,859.92 = 3,024.78/x
  3. Step 3: Cross multiply
    8,572.59x = 12,859.92 × 3,024.78
  4. Step 4: Simplify right side
    8,572.59x = 38,898,428.82
  5. Step 5: Solve for x
    x = 38,898,428.82/8,572.59
  6. Step 6: Final answer
    x = 4,537.54

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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.