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Finding the Fourth Proportional to 50,650.70, 75,986.99 and 28,476.95

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Solution

The fourth proportional to 50,650.70, 75,986.99 and 28,476.95 is: 42,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.70 : 75,986.99 = 28,476.95 : x
  2. Step 2: Convert to fraction form
    50,650.70/75,986.99 = 28,476.95/x
  3. Step 3: Cross multiply
    50,650.70x = 75,986.99 × 28,476.95
  4. Step 4: Simplify right side
    50,650.70x = 2,163,877,192.56
  5. Step 5: Solve for x
    x = 2,163,877,192.56/50,650.70
  6. Step 6: Final answer
    x = 42,721.57

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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.