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Finding the Fourth Proportional to 4,326.87, 5,972.49 and 3,207.45

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Solution

The fourth proportional to 4,326.87, 5,972.49 and 3,207.45 is: 4,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.87 : 5,972.49 = 3,207.45 : x
  2. Step 2: Convert to fraction form
    4,326.87/5,972.49 = 3,207.45/x
  3. Step 3: Cross multiply
    4,326.87x = 5,972.49 × 3,207.45
  4. Step 4: Simplify right side
    4,326.87x = 19,156,463.05
  5. Step 5: Solve for x
    x = 19,156,463.05/4,326.87
  6. Step 6: Final answer
    x = 4,427.33

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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.