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Finding the Fourth Proportional to 3,376.62, 5,064.94 and 1,068.12

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Solution

The fourth proportional to 3,376.62, 5,064.94 and 1,068.12 is: 1,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.62 : 5,064.94 = 1,068.12 : x
  2. Step 2: Convert to fraction form
    3,376.62/5,064.94 = 1,068.12/x
  3. Step 3: Cross multiply
    3,376.62x = 5,064.94 × 1,068.12
  4. Step 4: Simplify right side
    3,376.62x = 5,409,963.71
  5. Step 5: Solve for x
    x = 5,409,963.71/3,376.62
  6. Step 6: Final answer
    x = 1,602.18

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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.