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Finding the Fourth Proportional to 34,865.76, 48,115.13 and 18,950.22

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Solution

The fourth proportional to 34,865.76, 48,115.13 and 18,950.22 is: 26,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.76 : 48,115.13 = 18,950.22 : x
  2. Step 2: Convert to fraction form
    34,865.76/48,115.13 = 18,950.22/x
  3. Step 3: Cross multiply
    34,865.76x = 48,115.13 × 18,950.22
  4. Step 4: Simplify right side
    34,865.76x = 911,792,204.08
  5. Step 5: Solve for x
    x = 911,792,204.08/34,865.76
  6. Step 6: Final answer
    x = 26,151.51

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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.