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Finding the Fourth Proportional to 39,324.48, 54,344.86 and 34,950.48

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Solution

The fourth proportional to 39,324.48, 54,344.86 and 34,950.48 is: 48,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324.48 : 54,344.86 = 34,950.48 : x
  2. Step 2: Convert to fraction form
    39,324.48/54,344.86 = 34,950.48/x
  3. Step 3: Cross multiply
    39,324.48x = 54,344.86 × 34,950.48
  4. Step 4: Simplify right side
    39,324.48x = 1,899,378,942.53
  5. Step 5: Solve for x
    x = 1,899,378,942.53/39,324.48
  6. Step 6: Final answer
    x = 48,300.17

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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.