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Finding the Fourth Proportional to 4,691.68, 6,478.82 and 3,016.00

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Solution

The fourth proportional to 4,691.68, 6,478.82 and 3,016.00 is: 4,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.68 : 6,478.82 = 3,016.00 : x
  2. Step 2: Convert to fraction form
    4,691.68/6,478.82 = 3,016.00/x
  3. Step 3: Cross multiply
    4,691.68x = 6,478.82 × 3,016.00
  4. Step 4: Simplify right side
    4,691.68x = 19,540,125.45
  5. Step 5: Solve for x
    x = 19,540,125.45/4,691.68
  6. Step 6: Final answer
    x = 4,164.85

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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.