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Finding the Fourth Proportional to 29,259.81, 40,361.22 and 17,934.39

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Solution

The fourth proportional to 29,259.81, 40,361.22 and 17,934.39 is: 24,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.81 : 40,361.22 = 17,934.39 : x
  2. Step 2: Convert to fraction form
    29,259.81/40,361.22 = 17,934.39/x
  3. Step 3: Cross multiply
    29,259.81x = 40,361.22 × 17,934.39
  4. Step 4: Simplify right side
    29,259.81x = 723,853,860.36
  5. Step 5: Solve for x
    x = 723,853,860.36/29,259.81
  6. Step 6: Final answer
    x = 24,738.84

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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.