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Finding the Fourth Proportional to 4,691.94, 6,473.46 and 2,922.90

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Solution

The fourth proportional to 4,691.94, 6,473.46 and 2,922.90 is: 4,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.94 : 6,473.46 = 2,922.90 : x
  2. Step 2: Convert to fraction form
    4,691.94/6,473.46 = 2,922.90/x
  3. Step 3: Cross multiply
    4,691.94x = 6,473.46 × 2,922.90
  4. Step 4: Simplify right side
    4,691.94x = 18,921,276.23
  5. Step 5: Solve for x
    x = 18,921,276.23/4,691.94
  6. Step 6: Final answer
    x = 4,032.72

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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.