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Finding the Fourth Proportional to 3,039.75, 4,559.66 and 848.49

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Solution

The fourth proportional to 3,039.75, 4,559.66 and 848.49 is: 1,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.75 : 4,559.66 = 848.49 : x
  2. Step 2: Convert to fraction form
    3,039.75/4,559.66 = 848.49/x
  3. Step 3: Cross multiply
    3,039.75x = 4,559.66 × 848.49
  4. Step 4: Simplify right side
    3,039.75x = 3,868,821.67
  5. Step 5: Solve for x
    x = 3,868,821.67/3,039.75
  6. Step 6: Final answer
    x = 1,272.74

Related Problems

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Half scale
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Double scale
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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.