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Finding the Fourth Proportional to 4,680.52, 7,014.42 and 1,755.88

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Solution

The fourth proportional to 4,680.52, 7,014.42 and 1,755.88 is: 2,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.52 : 7,014.42 = 1,755.88 : x
  2. Step 2: Convert to fraction form
    4,680.52/7,014.42 = 1,755.88/x
  3. Step 3: Cross multiply
    4,680.52x = 7,014.42 × 1,755.88
  4. Step 4: Simplify right side
    4,680.52x = 12,316,479.79
  5. Step 5: Solve for x
    x = 12,316,479.79/4,680.52
  6. Step 6: Final answer
    x = 2,631.43

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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.