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Finding the Fourth Proportional to 4,984.70, 7,476.45 and 2,062.70

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Solution

The fourth proportional to 4,984.70, 7,476.45 and 2,062.70 is: 3,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.70 : 7,476.45 = 2,062.70 : x
  2. Step 2: Convert to fraction form
    4,984.70/7,476.45 = 2,062.70/x
  3. Step 3: Cross multiply
    4,984.70x = 7,476.45 × 2,062.70
  4. Step 4: Simplify right side
    4,984.70x = 15,421,673.42
  5. Step 5: Solve for x
    x = 15,421,673.42/4,984.70
  6. Step 6: Final answer
    x = 3,093.80

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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.