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Finding the Fourth Proportional to 42,277.44, 63,361.84 and 15,950.80

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Solution

The fourth proportional to 42,277.44, 63,361.84 and 15,950.80 is: 23,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.44 : 63,361.84 = 15,950.80 : x
  2. Step 2: Convert to fraction form
    42,277.44/63,361.84 = 15,950.80/x
  3. Step 3: Cross multiply
    42,277.44x = 63,361.84 × 15,950.80
  4. Step 4: Simplify right side
    42,277.44x = 1,010,672,037.47
  5. Step 5: Solve for x
    x = 1,010,672,037.47/42,277.44
  6. Step 6: Final answer
    x = 23,905.71

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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.