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Finding the Fourth Proportional to 8,537.01, 12,805.44 and 2,613.88

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Solution

The fourth proportional to 8,537.01, 12,805.44 and 2,613.88 is: 3,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.01 : 12,805.44 = 2,613.88 : x
  2. Step 2: Convert to fraction form
    8,537.01/12,805.44 = 2,613.88/x
  3. Step 3: Cross multiply
    8,537.01x = 12,805.44 × 2,613.88
  4. Step 4: Simplify right side
    8,537.01x = 33,471,883.51
  5. Step 5: Solve for x
    x = 33,471,883.51/8,537.01
  6. Step 6: Final answer
    x = 3,920.80

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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.