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Finding the Fourth Proportional to 5,939.32, 8,908.72 and 1,556.68

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Solution

The fourth proportional to 5,939.32, 8,908.72 and 1,556.68 is: 2,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.32 : 8,908.72 = 1,556.68 : x
  2. Step 2: Convert to fraction form
    5,939.32/8,908.72 = 1,556.68/x
  3. Step 3: Cross multiply
    5,939.32x = 8,908.72 × 1,556.68
  4. Step 4: Simplify right side
    5,939.32x = 13,868,026.25
  5. Step 5: Solve for x
    x = 13,868,026.25/5,939.32
  6. Step 6: Final answer
    x = 2,334.95

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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.