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Finding the Fourth Proportional to 5,357.33, 8,045.10 and 3,972.23

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Solution

The fourth proportional to 5,357.33, 8,045.10 and 3,972.23 is: 5,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.33 : 8,045.10 = 3,972.23 : x
  2. Step 2: Convert to fraction form
    5,357.33/8,045.10 = 3,972.23/x
  3. Step 3: Cross multiply
    5,357.33x = 8,045.10 × 3,972.23
  4. Step 4: Simplify right side
    5,357.33x = 31,956,947.35
  5. Step 5: Solve for x
    x = 31,956,947.35/5,357.33
  6. Step 6: Final answer
    x = 5,965.09

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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.