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Finding the Fourth Proportional to 12,065.80, 18,066.30 and 9,452.20

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Solution

The fourth proportional to 12,065.80, 18,066.30 and 9,452.20 is: 14,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.80 : 18,066.30 = 9,452.20 : x
  2. Step 2: Convert to fraction form
    12,065.80/18,066.30 = 9,452.20/x
  3. Step 3: Cross multiply
    12,065.80x = 18,066.30 × 9,452.20
  4. Step 4: Simplify right side
    12,065.80x = 170,766,280.86
  5. Step 5: Solve for x
    x = 170,766,280.86/12,065.80
  6. Step 6: Final answer
    x = 14,152.92

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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.