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Finding the Fourth Proportional to 28,375.68, 42,523.68 and 22,426.42

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Solution

The fourth proportional to 28,375.68, 42,523.68 and 22,426.42 is: 33,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.68 : 42,523.68 = 22,426.42 : x
  2. Step 2: Convert to fraction form
    28,375.68/42,523.68 = 22,426.42/x
  3. Step 3: Cross multiply
    28,375.68x = 42,523.68 × 22,426.42
  4. Step 4: Simplify right side
    28,375.68x = 953,653,907.63
  5. Step 5: Solve for x
    x = 953,653,907.63/28,375.68
  6. Step 6: Final answer
    x = 33,608.14

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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.