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Finding the Fourth Proportional to 34,865.97, 48,115.21 and 18,950.41

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Solution

The fourth proportional to 34,865.97, 48,115.21 and 18,950.41 is: 26,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.97 : 48,115.21 = 18,950.41 : x
  2. Step 2: Convert to fraction form
    34,865.97/48,115.21 = 18,950.41/x
  3. Step 3: Cross multiply
    34,865.97x = 48,115.21 × 18,950.41
  4. Step 4: Simplify right side
    34,865.97x = 911,803,087.06
  5. Step 5: Solve for x
    x = 911,803,087.06/34,865.97
  6. Step 6: Final answer
    x = 26,151.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.