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Finding the Fourth Proportional to 1,502.33, 2,252.33 and 974.12

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Solution

The fourth proportional to 1,502.33, 2,252.33 and 974.12 is: 1,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.33 : 2,252.33 = 974.12 : x
  2. Step 2: Convert to fraction form
    1,502.33/2,252.33 = 974.12/x
  3. Step 3: Cross multiply
    1,502.33x = 2,252.33 × 974.12
  4. Step 4: Simplify right side
    1,502.33x = 2,194,039.70
  5. Step 5: Solve for x
    x = 2,194,039.70/1,502.33
  6. Step 6: Final answer
    x = 1,460.42

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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.