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Finding the Fourth Proportional to 8,445.65, 12,652.07 and 4,066.18

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Solution

The fourth proportional to 8,445.65, 12,652.07 and 4,066.18 is: 6,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.65 : 12,652.07 = 4,066.18 : x
  2. Step 2: Convert to fraction form
    8,445.65/12,652.07 = 4,066.18/x
  3. Step 3: Cross multiply
    8,445.65x = 12,652.07 × 4,066.18
  4. Step 4: Simplify right side
    8,445.65x = 51,445,593.99
  5. Step 5: Solve for x
    x = 51,445,593.99/8,445.65
  6. Step 6: Final answer
    x = 6,091.37

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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.