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Finding the Fourth Proportional to 4,708.38, 7,063.05 and 1,747.61

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Solution

The fourth proportional to 4,708.38, 7,063.05 and 1,747.61 is: 2,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.38 : 7,063.05 = 1,747.61 : x
  2. Step 2: Convert to fraction form
    4,708.38/7,063.05 = 1,747.61/x
  3. Step 3: Cross multiply
    4,708.38x = 7,063.05 × 1,747.61
  4. Step 4: Simplify right side
    4,708.38x = 12,343,421.50
  5. Step 5: Solve for x
    x = 12,343,421.50/4,708.38
  6. Step 6: Final answer
    x = 2,621.59

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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.