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Finding the Fourth Proportional to 2,305.84, 3,460.54 and 1,691.16

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Solution

The fourth proportional to 2,305.84, 3,460.54 and 1,691.16 is: 2,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.84 : 3,460.54 = 1,691.16 : x
  2. Step 2: Convert to fraction form
    2,305.84/3,460.54 = 1,691.16/x
  3. Step 3: Cross multiply
    2,305.84x = 3,460.54 × 1,691.16
  4. Step 4: Simplify right side
    2,305.84x = 5,852,326.83
  5. Step 5: Solve for x
    x = 5,852,326.83/2,305.84
  6. Step 6: Final answer
    x = 2,538.05

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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.