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Finding the Fourth Proportional to 3,353.96, 5,030.93 and 889.02

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Solution

The fourth proportional to 3,353.96, 5,030.93 and 889.02 is: 1,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.96 : 5,030.93 = 889.02 : x
  2. Step 2: Convert to fraction form
    3,353.96/5,030.93 = 889.02/x
  3. Step 3: Cross multiply
    3,353.96x = 5,030.93 × 889.02
  4. Step 4: Simplify right side
    3,353.96x = 4,472,609.97
  5. Step 5: Solve for x
    x = 4,472,609.97/3,353.96
  6. Step 6: Final answer
    x = 1,333.53

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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.