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Finding the Fourth Proportional to 1,595.70, 2,201.50 and 932.32

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Solution

The fourth proportional to 1,595.70, 2,201.50 and 932.32 is: 1,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.70 : 2,201.50 = 932.32 : x
  2. Step 2: Convert to fraction form
    1,595.70/2,201.50 = 932.32/x
  3. Step 3: Cross multiply
    1,595.70x = 2,201.50 × 932.32
  4. Step 4: Simplify right side
    1,595.70x = 2,052,502.48
  5. Step 5: Solve for x
    x = 2,052,502.48/1,595.70
  6. Step 6: Final answer
    x = 1,286.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.