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Finding the Fourth Proportional to 17,701.60, 26,540.07 and 7,835.53

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Solution

The fourth proportional to 17,701.60, 26,540.07 and 7,835.53 is: 11,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.60 : 26,540.07 = 7,835.53 : x
  2. Step 2: Convert to fraction form
    17,701.60/26,540.07 = 7,835.53/x
  3. Step 3: Cross multiply
    17,701.60x = 26,540.07 × 7,835.53
  4. Step 4: Simplify right side
    17,701.60x = 207,955,514.69
  5. Step 5: Solve for x
    x = 207,955,514.69/17,701.60
  6. Step 6: Final answer
    x = 11,747.84

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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.