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Finding the Fourth Proportional to 8,572.64, 12,859.98 and 3,024.83

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Solution

The fourth proportional to 8,572.64, 12,859.98 and 3,024.83 is: 4,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.64 : 12,859.98 = 3,024.83 : x
  2. Step 2: Convert to fraction form
    8,572.64/12,859.98 = 3,024.83/x
  3. Step 3: Cross multiply
    8,572.64x = 12,859.98 × 3,024.83
  4. Step 4: Simplify right side
    8,572.64x = 38,899,285.45
  5. Step 5: Solve for x
    x = 38,899,285.45/8,572.64
  6. Step 6: Final answer
    x = 4,537.61

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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.