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Finding the Fourth Proportional to 5,818.11, 8,741.75 and 5,468.19

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Solution

The fourth proportional to 5,818.11, 8,741.75 and 5,468.19 is: 8,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.11 : 8,741.75 = 5,468.19 : x
  2. Step 2: Convert to fraction form
    5,818.11/8,741.75 = 5,468.19/x
  3. Step 3: Cross multiply
    5,818.11x = 8,741.75 × 5,468.19
  4. Step 4: Simplify right side
    5,818.11x = 47,801,522.59
  5. Step 5: Solve for x
    x = 47,801,522.59/5,818.11
  6. Step 6: Final answer
    x = 8,215.99

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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.