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Finding the Fourth Proportional to 1,598.60, 2,399.10 and 1,591.16

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Solution

The fourth proportional to 1,598.60, 2,399.10 and 1,591.16 is: 2,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.60 : 2,399.10 = 1,591.16 : x
  2. Step 2: Convert to fraction form
    1,598.60/2,399.10 = 1,591.16/x
  3. Step 3: Cross multiply
    1,598.60x = 2,399.10 × 1,591.16
  4. Step 4: Simplify right side
    1,598.60x = 3,817,351.96
  5. Step 5: Solve for x
    x = 3,817,351.96/1,598.60
  6. Step 6: Final answer
    x = 2,387.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.