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Finding the Fourth Proportional to 4,780.01, 7,170.02 and 1,493.11

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Solution

The fourth proportional to 4,780.01, 7,170.02 and 1,493.11 is: 2,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.01 : 7,170.02 = 1,493.11 : x
  2. Step 2: Convert to fraction form
    4,780.01/7,170.02 = 1,493.11/x
  3. Step 3: Cross multiply
    4,780.01x = 7,170.02 × 1,493.11
  4. Step 4: Simplify right side
    4,780.01x = 10,705,615.49
  5. Step 5: Solve for x
    x = 10,705,615.49/4,780.01
  6. Step 6: Final answer
    x = 2,239.66

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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.