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Finding the Fourth Proportional to 1,599.87, 2,397.42 and 1,448.16

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Solution

The fourth proportional to 1,599.87, 2,397.42 and 1,448.16 is: 2,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.87 : 2,397.42 = 1,448.16 : x
  2. Step 2: Convert to fraction form
    1,599.87/2,397.42 = 1,448.16/x
  3. Step 3: Cross multiply
    1,599.87x = 2,397.42 × 1,448.16
  4. Step 4: Simplify right side
    1,599.87x = 3,471,847.75
  5. Step 5: Solve for x
    x = 3,471,847.75/1,599.87
  6. Step 6: Final answer
    x = 2,170.08

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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.