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Finding the Fourth Proportional to 3,479.62, 4,802.07 and 2,064.15

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Solution

The fourth proportional to 3,479.62, 4,802.07 and 2,064.15 is: 2,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.62 : 4,802.07 = 2,064.15 : x
  2. Step 2: Convert to fraction form
    3,479.62/4,802.07 = 2,064.15/x
  3. Step 3: Cross multiply
    3,479.62x = 4,802.07 × 2,064.15
  4. Step 4: Simplify right side
    3,479.62x = 9,912,182.52
  5. Step 5: Solve for x
    x = 9,912,182.52/3,479.62
  6. Step 6: Final answer
    x = 2,848.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.