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Finding the Fourth Proportional to 22,437.01, 30,934.30 and 18,388.93

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Solution

The fourth proportional to 22,437.01, 30,934.30 and 18,388.93 is: 25,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.01 : 30,934.30 = 18,388.93 : x
  2. Step 2: Convert to fraction form
    22,437.01/30,934.30 = 18,388.93/x
  3. Step 3: Cross multiply
    22,437.01x = 30,934.30 × 18,388.93
  4. Step 4: Simplify right side
    22,437.01x = 568,848,677.30
  5. Step 5: Solve for x
    x = 568,848,677.30/22,437.01
  6. Step 6: Final answer
    x = 25,353.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.