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Finding the Fourth Proportional to 3,599.33, 5,397.62 and 1,407.56

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Solution

The fourth proportional to 3,599.33, 5,397.62 and 1,407.56 is: 2,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.33 : 5,397.62 = 1,407.56 : x
  2. Step 2: Convert to fraction form
    3,599.33/5,397.62 = 1,407.56/x
  3. Step 3: Cross multiply
    3,599.33x = 5,397.62 × 1,407.56
  4. Step 4: Simplify right side
    3,599.33x = 7,597,439.98
  5. Step 5: Solve for x
    x = 7,597,439.98/3,599.33
  6. Step 6: Final answer
    x = 2,110.80

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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.