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Finding the Fourth Proportional to 5,691.88, 8,526.30 and 4,447.72

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Solution

The fourth proportional to 5,691.88, 8,526.30 and 4,447.72 is: 6,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.88 : 8,526.30 = 4,447.72 : x
  2. Step 2: Convert to fraction form
    5,691.88/8,526.30 = 4,447.72/x
  3. Step 3: Cross multiply
    5,691.88x = 8,526.30 × 4,447.72
  4. Step 4: Simplify right side
    5,691.88x = 37,922,595.04
  5. Step 5: Solve for x
    x = 37,922,595.04/5,691.88
  6. Step 6: Final answer
    x = 6,662.58

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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.