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Finding the Fourth Proportional to 8,572.74, 12,860.13 and 3,024.93

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Solution

The fourth proportional to 8,572.74, 12,860.13 and 3,024.93 is: 4,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.74 : 12,860.13 = 3,024.93 : x
  2. Step 2: Convert to fraction form
    8,572.74/12,860.13 = 3,024.93/x
  3. Step 3: Cross multiply
    8,572.74x = 12,860.13 × 3,024.93
  4. Step 4: Simplify right side
    8,572.74x = 38,900,993.04
  5. Step 5: Solve for x
    x = 38,900,993.04/8,572.74
  6. Step 6: Final answer
    x = 4,537.76

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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.