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Finding the Fourth Proportional to 8,041.40, 12,061.65 and 2,494.70

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Solution

The fourth proportional to 8,041.40, 12,061.65 and 2,494.70 is: 3,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.40 : 12,061.65 = 2,494.70 : x
  2. Step 2: Convert to fraction form
    8,041.40/12,061.65 = 2,494.70/x
  3. Step 3: Cross multiply
    8,041.40x = 12,061.65 × 2,494.70
  4. Step 4: Simplify right side
    8,041.40x = 30,090,198.26
  5. Step 5: Solve for x
    x = 30,090,198.26/8,041.40
  6. Step 6: Final answer
    x = 3,741.91

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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.