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Finding the Fourth Proportional to 19,375.42, 29,068.02 and 5,524.42

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Solution

The fourth proportional to 19,375.42, 29,068.02 and 5,524.42 is: 8,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.42 : 29,068.02 = 5,524.42 : x
  2. Step 2: Convert to fraction form
    19,375.42/29,068.02 = 5,524.42/x
  3. Step 3: Cross multiply
    19,375.42x = 29,068.02 × 5,524.42
  4. Step 4: Simplify right side
    19,375.42x = 160,583,878.38
  5. Step 5: Solve for x
    x = 160,583,878.38/19,375.42
  6. Step 6: Final answer
    x = 8,288.02

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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.