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Finding the Fourth Proportional to 22,608.65, 33,885.78 and 8,365.76

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Solution

The fourth proportional to 22,608.65, 33,885.78 and 8,365.76 is: 12,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.65 : 33,885.78 = 8,365.76 : x
  2. Step 2: Convert to fraction form
    22,608.65/33,885.78 = 8,365.76/x
  3. Step 3: Cross multiply
    22,608.65x = 33,885.78 × 8,365.76
  4. Step 4: Simplify right side
    22,608.65x = 283,480,419.77
  5. Step 5: Solve for x
    x = 283,480,419.77/22,608.65
  6. Step 6: Final answer
    x = 12,538.58

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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.