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Finding the Fourth Proportional to 22,341.70, 33,468.71 and 18,186.18

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Solution

The fourth proportional to 22,341.70, 33,468.71 and 18,186.18 is: 27,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.70 : 33,468.71 = 18,186.18 : x
  2. Step 2: Convert to fraction form
    22,341.70/33,468.71 = 18,186.18/x
  3. Step 3: Cross multiply
    22,341.70x = 33,468.71 × 18,186.18
  4. Step 4: Simplify right side
    22,341.70x = 608,667,984.43
  5. Step 5: Solve for x
    x = 608,667,984.43/22,341.70
  6. Step 6: Final answer
    x = 27,243.58

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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.