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Finding the Fourth Proportional to 11,600.92, 17,392.86 and 7,445.60

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Solution

The fourth proportional to 11,600.92, 17,392.86 and 7,445.60 is: 11,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.92 : 17,392.86 = 7,445.60 : x
  2. Step 2: Convert to fraction form
    11,600.92/17,392.86 = 7,445.60/x
  3. Step 3: Cross multiply
    11,600.92x = 17,392.86 × 7,445.60
  4. Step 4: Simplify right side
    11,600.92x = 129,500,278.42
  5. Step 5: Solve for x
    x = 129,500,278.42/11,600.92
  6. Step 6: Final answer
    x = 11,162.93

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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.