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Finding the Fourth Proportional to 4,248.69, 6,372.69 and 1,908.82

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Solution

The fourth proportional to 4,248.69, 6,372.69 and 1,908.82 is: 2,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.69 : 6,372.69 = 1,908.82 : x
  2. Step 2: Convert to fraction form
    4,248.69/6,372.69 = 1,908.82/x
  3. Step 3: Cross multiply
    4,248.69x = 6,372.69 × 1,908.82
  4. Step 4: Simplify right side
    4,248.69x = 12,164,318.13
  5. Step 5: Solve for x
    x = 12,164,318.13/4,248.69
  6. Step 6: Final answer
    x = 2,863.08

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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.