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Finding the Fourth Proportional to 5,275.92, 7,914.42 and 2,353.98

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Solution

The fourth proportional to 5,275.92, 7,914.42 and 2,353.98 is: 3,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.92 : 7,914.42 = 2,353.98 : x
  2. Step 2: Convert to fraction form
    5,275.92/7,914.42 = 2,353.98/x
  3. Step 3: Cross multiply
    5,275.92x = 7,914.42 × 2,353.98
  4. Step 4: Simplify right side
    5,275.92x = 18,630,386.39
  5. Step 5: Solve for x
    x = 18,630,386.39/5,275.92
  6. Step 6: Final answer
    x = 3,531.21

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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.