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Finding the Fourth Proportional to 63,780.88, 95,583.80 and 40,365.44

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Solution

The fourth proportional to 63,780.88, 95,583.80 and 40,365.44 is: 60,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.88 : 95,583.80 = 40,365.44 : x
  2. Step 2: Convert to fraction form
    63,780.88/95,583.80 = 40,365.44/x
  3. Step 3: Cross multiply
    63,780.88x = 95,583.80 × 40,365.44
  4. Step 4: Simplify right side
    63,780.88x = 3,858,282,143.87
  5. Step 5: Solve for x
    x = 3,858,282,143.87/63,780.88
  6. Step 6: Final answer
    x = 60,492.77

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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.