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Finding the Fourth Proportional to 8,587.01, 12,883.08 and 3,591.79

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Solution

The fourth proportional to 8,587.01, 12,883.08 and 3,591.79 is: 5,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.01 : 12,883.08 = 3,591.79 : x
  2. Step 2: Convert to fraction form
    8,587.01/12,883.08 = 3,591.79/x
  3. Step 3: Cross multiply
    8,587.01x = 12,883.08 × 3,591.79
  4. Step 4: Simplify right side
    8,587.01x = 46,273,317.91
  5. Step 5: Solve for x
    x = 46,273,317.91/8,587.01
  6. Step 6: Final answer
    x = 5,388.76

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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.