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Finding the Fourth Proportional to 2,023.68, 3,033.60 and 870.24

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Solution

The fourth proportional to 2,023.68, 3,033.60 and 870.24 is: 1,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.68 : 3,033.60 = 870.24 : x
  2. Step 2: Convert to fraction form
    2,023.68/3,033.60 = 870.24/x
  3. Step 3: Cross multiply
    2,023.68x = 3,033.60 × 870.24
  4. Step 4: Simplify right side
    2,023.68x = 2,639,960.06
  5. Step 5: Solve for x
    x = 2,639,960.06/2,023.68
  6. Step 6: Final answer
    x = 1,304.53

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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.