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Finding the Fourth Proportional to 8,473, 11,693.46 and 4,747.72

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Solution

The fourth proportional to 8,473, 11,693.46 and 4,747.72 is: 6,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473 : 11,693.46 = 4,747.72 : x
  2. Step 2: Convert to fraction form
    8,473/11,693.46 = 4,747.72/x
  3. Step 3: Cross multiply
    8,473x = 11,693.46 × 4,747.72
  4. Step 4: Simplify right side
    8,473x = 55,517,273.91
  5. Step 5: Solve for x
    x = 55,517,273.91/8,473
  6. Step 6: Final answer
    x = 6,552.26

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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.