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Finding the Fourth Proportional to 3,260.48, 4,891.13 and 1,068.62

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Solution

The fourth proportional to 3,260.48, 4,891.13 and 1,068.62 is: 1,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.48 : 4,891.13 = 1,068.62 : x
  2. Step 2: Convert to fraction form
    3,260.48/4,891.13 = 1,068.62/x
  3. Step 3: Cross multiply
    3,260.48x = 4,891.13 × 1,068.62
  4. Step 4: Simplify right side
    3,260.48x = 5,226,759.34
  5. Step 5: Solve for x
    x = 5,226,759.34/3,260.48
  6. Step 6: Final answer
    x = 1,603.06

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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.