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Finding the Fourth Proportional to 28,369.44, 42,573.60 and 27,164.16

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Solution

The fourth proportional to 28,369.44, 42,573.60 and 27,164.16 is: 40,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.44 : 42,573.60 = 27,164.16 : x
  2. Step 2: Convert to fraction form
    28,369.44/42,573.60 = 27,164.16/x
  3. Step 3: Cross multiply
    28,369.44x = 42,573.60 × 27,164.16
  4. Step 4: Simplify right side
    28,369.44x = 1,156,476,082.18
  5. Step 5: Solve for x
    x = 1,156,476,082.18/28,369.44
  6. Step 6: Final answer
    x = 40,764.85

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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.