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Finding the Fourth Proportional to 22,607.89, 33,926.88 and 9,291.81

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Solution

The fourth proportional to 22,607.89, 33,926.88 and 9,291.81 is: 13,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.89 : 33,926.88 = 9,291.81 : x
  2. Step 2: Convert to fraction form
    22,607.89/33,926.88 = 9,291.81/x
  3. Step 3: Cross multiply
    22,607.89x = 33,926.88 × 9,291.81
  4. Step 4: Simplify right side
    22,607.89x = 315,242,122.85
  5. Step 5: Solve for x
    x = 315,242,122.85/22,607.89
  6. Step 6: Final answer
    x = 13,943.90

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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.