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Finding the Fourth Proportional to 1,699.32, 2,537.48 and 1,348.72

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Solution

The fourth proportional to 1,699.32, 2,537.48 and 1,348.72 is: 2,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.32 : 2,537.48 = 1,348.72 : x
  2. Step 2: Convert to fraction form
    1,699.32/2,537.48 = 1,348.72/x
  3. Step 3: Cross multiply
    1,699.32x = 2,537.48 × 1,348.72
  4. Step 4: Simplify right side
    1,699.32x = 3,422,346.65
  5. Step 5: Solve for x
    x = 3,422,346.65/1,699.32
  6. Step 6: Final answer
    x = 2,013.95

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.