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Finding the Fourth Proportional to 5,691.52, 7,854.36 and 3,333.72

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Solution

The fourth proportional to 5,691.52, 7,854.36 and 3,333.72 is: 4,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.52 : 7,854.36 = 3,333.72 : x
  2. Step 2: Convert to fraction form
    5,691.52/7,854.36 = 3,333.72/x
  3. Step 3: Cross multiply
    5,691.52x = 7,854.36 × 3,333.72
  4. Step 4: Simplify right side
    5,691.52x = 26,184,237.02
  5. Step 5: Solve for x
    x = 26,184,237.02/5,691.52
  6. Step 6: Final answer
    x = 4,600.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.