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Finding the Fourth Proportional to 8,169.40, 12,262.20 and 4,014.10

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Solution

The fourth proportional to 8,169.40, 12,262.20 and 4,014.10 is: 6,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.40 : 12,262.20 = 4,014.10 : x
  2. Step 2: Convert to fraction form
    8,169.40/12,262.20 = 4,014.10/x
  3. Step 3: Cross multiply
    8,169.40x = 12,262.20 × 4,014.10
  4. Step 4: Simplify right side
    8,169.40x = 49,221,697.02
  5. Step 5: Solve for x
    x = 49,221,697.02/8,169.40
  6. Step 6: Final answer
    x = 6,025.13

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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.