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Finding the Fourth Proportional to 5,938.62, 8,907.92 and 2,042.72

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Solution

The fourth proportional to 5,938.62, 8,907.92 and 2,042.72 is: 3,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.62 : 8,907.92 = 2,042.72 : x
  2. Step 2: Convert to fraction form
    5,938.62/8,907.92 = 2,042.72/x
  3. Step 3: Cross multiply
    5,938.62x = 8,907.92 × 2,042.72
  4. Step 4: Simplify right side
    5,938.62x = 18,196,384.14
  5. Step 5: Solve for x
    x = 18,196,384.14/5,938.62
  6. Step 6: Final answer
    x = 3,064.08

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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.