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Finding the Fourth Proportional to 22,650.26, 33,981.40 and 7,859.14

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Solution

The fourth proportional to 22,650.26, 33,981.40 and 7,859.14 is: 11,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.26 : 33,981.40 = 7,859.14 : x
  2. Step 2: Convert to fraction form
    22,650.26/33,981.40 = 7,859.14/x
  3. Step 3: Cross multiply
    22,650.26x = 33,981.40 × 7,859.14
  4. Step 4: Simplify right side
    22,650.26x = 267,064,580.00
  5. Step 5: Solve for x
    x = 267,064,580.00/22,650.26
  6. Step 6: Final answer
    x = 11,790.80

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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.