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Finding the Fourth Proportional to 3,194.99, 4,792.49 and 886.49

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Solution

The fourth proportional to 3,194.99, 4,792.49 and 886.49 is: 1,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.99 : 4,792.49 = 886.49 : x
  2. Step 2: Convert to fraction form
    3,194.99/4,792.49 = 886.49/x
  3. Step 3: Cross multiply
    3,194.99x = 4,792.49 × 886.49
  4. Step 4: Simplify right side
    3,194.99x = 4,248,502.01
  5. Step 5: Solve for x
    x = 4,248,502.01/3,194.99
  6. Step 6: Final answer
    x = 1,329.74

Related Problems

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Double scale
Find fourth proportional to 3,195.99, 4,793.98 and 887.49
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.