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Finding the Fourth Proportional to 52,906.88, 79,364.98 and 19,627.30

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Solution

The fourth proportional to 52,906.88, 79,364.98 and 19,627.30 is: 29,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,906.88 : 79,364.98 = 19,627.30 : x
  2. Step 2: Convert to fraction form
    52,906.88/79,364.98 = 19,627.30/x
  3. Step 3: Cross multiply
    52,906.88x = 79,364.98 × 19,627.30
  4. Step 4: Simplify right side
    52,906.88x = 1,557,720,271.95
  5. Step 5: Solve for x
    x = 1,557,720,271.95/52,906.88
  6. Step 6: Final answer
    x = 29,442.68

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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.