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Finding the Fourth Proportional to 4,661.52, 6,988.12 and 1,739.96

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Solution

The fourth proportional to 4,661.52, 6,988.12 and 1,739.96 is: 2,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.52 : 6,988.12 = 1,739.96 : x
  2. Step 2: Convert to fraction form
    4,661.52/6,988.12 = 1,739.96/x
  3. Step 3: Cross multiply
    4,661.52x = 6,988.12 × 1,739.96
  4. Step 4: Simplify right side
    4,661.52x = 12,159,049.28
  5. Step 5: Solve for x
    x = 12,159,049.28/4,661.52
  6. Step 6: Final answer
    x = 2,608.39

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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.