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Finding the Fourth Proportional to 1,671.30, 2,305.13 and 1,482.50

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Solution

The fourth proportional to 1,671.30, 2,305.13 and 1,482.50 is: 2,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.30 : 2,305.13 = 1,482.50 : x
  2. Step 2: Convert to fraction form
    1,671.30/2,305.13 = 1,482.50/x
  3. Step 3: Cross multiply
    1,671.30x = 2,305.13 × 1,482.50
  4. Step 4: Simplify right side
    1,671.30x = 3,417,353.58
  5. Step 5: Solve for x
    x = 3,417,353.58/1,671.30
  6. Step 6: Final answer
    x = 2,044.73

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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.