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Finding the Fourth Proportional to 8,613.08, 12,919.93 and 2,373.58

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Solution

The fourth proportional to 8,613.08, 12,919.93 and 2,373.58 is: 3,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.08 : 12,919.93 = 2,373.58 : x
  2. Step 2: Convert to fraction form
    8,613.08/12,919.93 = 2,373.58/x
  3. Step 3: Cross multiply
    8,613.08x = 12,919.93 × 2,373.58
  4. Step 4: Simplify right side
    8,613.08x = 30,666,487.45
  5. Step 5: Solve for x
    x = 30,666,487.45/8,613.08
  6. Step 6: Final answer
    x = 3,560.46

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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.