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Finding the Fourth Proportional to 3,039.96, 4,559.76 and 848.64

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Solution

The fourth proportional to 3,039.96, 4,559.76 and 848.64 is: 1,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.96 : 4,559.76 = 848.64 : x
  2. Step 2: Convert to fraction form
    3,039.96/4,559.76 = 848.64/x
  3. Step 3: Cross multiply
    3,039.96x = 4,559.76 × 848.64
  4. Step 4: Simplify right side
    3,039.96x = 3,869,594.73
  5. Step 5: Solve for x
    x = 3,869,594.73/3,039.96
  6. Step 6: Final answer
    x = 1,272.91

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Similar ratio
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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.