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Finding the Fourth Proportional to 5,968.16, 8,947.92 and 2,888

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Solution

The fourth proportional to 5,968.16, 8,947.92 and 2,888 is: 4,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.16 : 8,947.92 = 2,888 : x
  2. Step 2: Convert to fraction form
    5,968.16/8,947.92 = 2,888/x
  3. Step 3: Cross multiply
    5,968.16x = 8,947.92 × 2,888
  4. Step 4: Simplify right side
    5,968.16x = 25,841,592.96
  5. Step 5: Solve for x
    x = 25,841,592.96/5,968.16
  6. Step 6: Final answer
    x = 4,329.91

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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.