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Finding the Fourth Proportional to 29,323.80, 40,419.66 and 22,939.56

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Solution

The fourth proportional to 29,323.80, 40,419.66 and 22,939.56 is: 31,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.80 : 40,419.66 = 22,939.56 : x
  2. Step 2: Convert to fraction form
    29,323.80/40,419.66 = 22,939.56/x
  3. Step 3: Cross multiply
    29,323.80x = 40,419.66 × 22,939.56
  4. Step 4: Simplify right side
    29,323.80x = 927,209,215.75
  5. Step 5: Solve for x
    x = 927,209,215.75/29,323.80
  6. Step 6: Final answer
    x = 31,619.68

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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.