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Finding the Fourth Proportional to 23,262.16, 34,893.06 and 7,679.74

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Solution

The fourth proportional to 23,262.16, 34,893.06 and 7,679.74 is: 11,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,262.16 : 34,893.06 = 7,679.74 : x
  2. Step 2: Convert to fraction form
    23,262.16/34,893.06 = 7,679.74/x
  3. Step 3: Cross multiply
    23,262.16x = 34,893.06 × 7,679.74
  4. Step 4: Simplify right side
    23,262.16x = 267,969,628.60
  5. Step 5: Solve for x
    x = 267,969,628.60/23,262.16
  6. Step 6: Final answer
    x = 11,519.55

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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.