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Finding the Fourth Proportional to 1,671.99, 2,306.63 and 1,008.46

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Solution

The fourth proportional to 1,671.99, 2,306.63 and 1,008.46 is: 1,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.99 : 2,306.63 = 1,008.46 : x
  2. Step 2: Convert to fraction form
    1,671.99/2,306.63 = 1,008.46/x
  3. Step 3: Cross multiply
    1,671.99x = 2,306.63 × 1,008.46
  4. Step 4: Simplify right side
    1,671.99x = 2,326,139.05
  5. Step 5: Solve for x
    x = 2,326,139.05/1,671.99
  6. Step 6: Final answer
    x = 1,391.24

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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.