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Finding the Fourth Proportional to 1,632.96, 2,252.50 and 969.38

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Solution

The fourth proportional to 1,632.96, 2,252.50 and 969.38 is: 1,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.96 : 2,252.50 = 969.38 : x
  2. Step 2: Convert to fraction form
    1,632.96/2,252.50 = 969.38/x
  3. Step 3: Cross multiply
    1,632.96x = 2,252.50 × 969.38
  4. Step 4: Simplify right side
    1,632.96x = 2,183,528.45
  5. Step 5: Solve for x
    x = 2,183,528.45/1,632.96
  6. Step 6: Final answer
    x = 1,337.16

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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.