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Finding the Fourth Proportional to 8,500.74, 12,753.27 and 4,993.71

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Solution

The fourth proportional to 8,500.74, 12,753.27 and 4,993.71 is: 7,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.74 : 12,753.27 = 4,993.71 : x
  2. Step 2: Convert to fraction form
    8,500.74/12,753.27 = 4,993.71/x
  3. Step 3: Cross multiply
    8,500.74x = 12,753.27 × 4,993.71
  4. Step 4: Simplify right side
    8,500.74x = 63,686,075.08
  5. Step 5: Solve for x
    x = 63,686,075.08/8,500.74
  6. Step 6: Final answer
    x = 7,491.83

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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.