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Finding the Fourth Proportional to 34,865.69, 48,114.83 and 18,950.45

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Solution

The fourth proportional to 34,865.69, 48,114.83 and 18,950.45 is: 26,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.69 : 48,114.83 = 18,950.45 : x
  2. Step 2: Convert to fraction form
    34,865.69/48,114.83 = 18,950.45/x
  3. Step 3: Cross multiply
    34,865.69x = 48,114.83 × 18,950.45
  4. Step 4: Simplify right side
    34,865.69x = 911,797,585.42
  5. Step 5: Solve for x
    x = 911,797,585.42/34,865.69
  6. Step 6: Final answer
    x = 26,151.71

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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.