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Finding the Fourth Proportional to 1,597.64, 2,393.49 and 867.83

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Solution

The fourth proportional to 1,597.64, 2,393.49 and 867.83 is: 1,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.64 : 2,393.49 = 867.83 : x
  2. Step 2: Convert to fraction form
    1,597.64/2,393.49 = 867.83/x
  3. Step 3: Cross multiply
    1,597.64x = 2,393.49 × 867.83
  4. Step 4: Simplify right side
    1,597.64x = 2,077,132.10
  5. Step 5: Solve for x
    x = 2,077,132.10/1,597.64
  6. Step 6: Final answer
    x = 1,300.13

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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.