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Finding the Fourth Proportional to 8,195.68, 12,290.82 and 4,502.08

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Solution

The fourth proportional to 8,195.68, 12,290.82 and 4,502.08 is: 6,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.68 : 12,290.82 = 4,502.08 : x
  2. Step 2: Convert to fraction form
    8,195.68/12,290.82 = 4,502.08/x
  3. Step 3: Cross multiply
    8,195.68x = 12,290.82 × 4,502.08
  4. Step 4: Simplify right side
    8,195.68x = 55,334,254.91
  5. Step 5: Solve for x
    x = 55,334,254.91/8,195.68
  6. Step 6: Final answer
    x = 6,751.64

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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.