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Finding the Fourth Proportional to 45,471.99, 67,852.35 and 40,743.83

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Solution

The fourth proportional to 45,471.99, 67,852.35 and 40,743.83 is: 60,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.99 : 67,852.35 = 40,743.83 : x
  2. Step 2: Convert to fraction form
    45,471.99/67,852.35 = 40,743.83/x
  3. Step 3: Cross multiply
    45,471.99x = 67,852.35 × 40,743.83
  4. Step 4: Simplify right side
    45,471.99x = 2,764,564,910.51
  5. Step 5: Solve for x
    x = 2,764,564,910.51/45,471.99
  6. Step 6: Final answer
    x = 60,797.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.