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Finding the Fourth Proportional to 40,563.99, 55,947.42 and 34,908.17

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Solution

The fourth proportional to 40,563.99, 55,947.42 and 34,908.17 is: 48,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,563.99 : 55,947.42 = 34,908.17 : x
  2. Step 2: Convert to fraction form
    40,563.99/55,947.42 = 34,908.17/x
  3. Step 3: Cross multiply
    40,563.99x = 55,947.42 × 34,908.17
  4. Step 4: Simplify right side
    40,563.99x = 1,953,021,768.68
  5. Step 5: Solve for x
    x = 1,953,021,768.68/40,563.99
  6. Step 6: Final answer
    x = 48,146.69

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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.