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Finding the Fourth Proportional to 10,392.77, 15,589.17 and 2,601.60

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Solution

The fourth proportional to 10,392.77, 15,589.17 and 2,601.60 is: 3,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.77 : 15,589.17 = 2,601.60 : x
  2. Step 2: Convert to fraction form
    10,392.77/15,589.17 = 2,601.60/x
  3. Step 3: Cross multiply
    10,392.77x = 15,589.17 × 2,601.60
  4. Step 4: Simplify right side
    10,392.77x = 40,556,784.67
  5. Step 5: Solve for x
    x = 40,556,784.67/10,392.77
  6. Step 6: Final answer
    x = 3,902.41

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1.5x scale

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.