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Finding the Fourth Proportional to 1,672.74, 2,502.90 and 1,012.14

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Solution

The fourth proportional to 1,672.74, 2,502.90 and 1,012.14 is: 1,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.74 : 2,502.90 = 1,012.14 : x
  2. Step 2: Convert to fraction form
    1,672.74/2,502.90 = 1,012.14/x
  3. Step 3: Cross multiply
    1,672.74x = 2,502.90 × 1,012.14
  4. Step 4: Simplify right side
    1,672.74x = 2,533,285.21
  5. Step 5: Solve for x
    x = 2,533,285.21/1,672.74
  6. Step 6: Final answer
    x = 1,514.45

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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.