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Finding the Fourth Proportional to 52,608.88, 78,888.61 and 19,305.73

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Solution

The fourth proportional to 52,608.88, 78,888.61 and 19,305.73 is: 28,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,608.88 : 78,888.61 = 19,305.73 : x
  2. Step 2: Convert to fraction form
    52,608.88/78,888.61 = 19,305.73/x
  3. Step 3: Cross multiply
    52,608.88x = 78,888.61 × 19,305.73
  4. Step 4: Simplify right side
    52,608.88x = 1,523,002,204.74
  5. Step 5: Solve for x
    x = 1,523,002,204.74/52,608.88
  6. Step 6: Final answer
    x = 28,949.53

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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.