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Finding the Fourth Proportional to 1,903.19, 2,854.08 and 732.59

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Solution

The fourth proportional to 1,903.19, 2,854.08 and 732.59 is: 1,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.19 : 2,854.08 = 732.59 : x
  2. Step 2: Convert to fraction form
    1,903.19/2,854.08 = 732.59/x
  3. Step 3: Cross multiply
    1,903.19x = 2,854.08 × 732.59
  4. Step 4: Simplify right side
    1,903.19x = 2,090,856.20
  5. Step 5: Solve for x
    x = 2,090,856.20/1,903.19
  6. Step 6: Final answer
    x = 1,098.61

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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.