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Finding the Fourth Proportional to 2,699.32, 4,046.46 and 1,237

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Solution

The fourth proportional to 2,699.32, 4,046.46 and 1,237 is: 1,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.32 : 4,046.46 = 1,237 : x
  2. Step 2: Convert to fraction form
    2,699.32/4,046.46 = 1,237/x
  3. Step 3: Cross multiply
    2,699.32x = 4,046.46 × 1,237
  4. Step 4: Simplify right side
    2,699.32x = 5,005,471.02
  5. Step 5: Solve for x
    x = 5,005,471.02/2,699.32
  6. Step 6: Final answer
    x = 1,854.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.