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Finding the Fourth Proportional to 3,039.74, 4,559.60 and 848.52

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Solution

The fourth proportional to 3,039.74, 4,559.60 and 848.52 is: 1,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.74 : 4,559.60 = 848.52 : x
  2. Step 2: Convert to fraction form
    3,039.74/4,559.60 = 848.52/x
  3. Step 3: Cross multiply
    3,039.74x = 4,559.60 × 848.52
  4. Step 4: Simplify right side
    3,039.74x = 3,868,913.91
  5. Step 5: Solve for x
    x = 3,868,913.91/3,039.74
  6. Step 6: Final answer
    x = 1,272.78

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Similar ratio
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1.5x scale

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.