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Finding the Fourth Proportional to 8,572.77, 12,855.87 and 3,024.27

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Solution

The fourth proportional to 8,572.77, 12,855.87 and 3,024.27 is: 4,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.77 : 12,855.87 = 3,024.27 : x
  2. Step 2: Convert to fraction form
    8,572.77/12,855.87 = 3,024.27/x
  3. Step 3: Cross multiply
    8,572.77x = 12,855.87 × 3,024.27
  4. Step 4: Simplify right side
    8,572.77x = 38,879,621.96
  5. Step 5: Solve for x
    x = 38,879,621.96/8,572.77
  6. Step 6: Final answer
    x = 4,535.25

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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.