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Finding the Fourth Proportional to 22,373.01, 33,530.82 and 18,903.89

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Solution

The fourth proportional to 22,373.01, 33,530.82 and 18,903.89 is: 28,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.01 : 33,530.82 = 18,903.89 : x
  2. Step 2: Convert to fraction form
    22,373.01/33,530.82 = 18,903.89/x
  3. Step 3: Cross multiply
    22,373.01x = 33,530.82 × 18,903.89
  4. Step 4: Simplify right side
    22,373.01x = 633,862,694.35
  5. Step 5: Solve for x
    x = 633,862,694.35/22,373.01
  6. Step 6: Final answer
    x = 28,331.57

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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.