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Finding the Fourth Proportional to 1,632.10, 2,252 and 969.11

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Solution

The fourth proportional to 1,632.10, 2,252 and 969.11 is: 1,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.10 : 2,252 = 969.11 : x
  2. Step 2: Convert to fraction form
    1,632.10/2,252 = 969.11/x
  3. Step 3: Cross multiply
    1,632.10x = 2,252 × 969.11
  4. Step 4: Simplify right side
    1,632.10x = 2,182,435.72
  5. Step 5: Solve for x
    x = 2,182,435.72/1,632.10
  6. Step 6: Final answer
    x = 1,337.19

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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.