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Finding the Fourth Proportional to 5,558.68, 8,337.16 and 1,860.88

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Solution

The fourth proportional to 5,558.68, 8,337.16 and 1,860.88 is: 2,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.68 : 8,337.16 = 1,860.88 : x
  2. Step 2: Convert to fraction form
    5,558.68/8,337.16 = 1,860.88/x
  3. Step 3: Cross multiply
    5,558.68x = 8,337.16 × 1,860.88
  4. Step 4: Simplify right side
    5,558.68x = 15,514,454.30
  5. Step 5: Solve for x
    x = 15,514,454.30/5,558.68
  6. Step 6: Final answer
    x = 2,791.03

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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.