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Finding the Fourth Proportional to 29,174.64, 40,239.50 and 22,004.84

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Solution

The fourth proportional to 29,174.64, 40,239.50 and 22,004.84 is: 30,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,174.64 : 40,239.50 = 22,004.84 : x
  2. Step 2: Convert to fraction form
    29,174.64/40,239.50 = 22,004.84/x
  3. Step 3: Cross multiply
    29,174.64x = 40,239.50 × 22,004.84
  4. Step 4: Simplify right side
    29,174.64x = 885,463,759.18
  5. Step 5: Solve for x
    x = 885,463,759.18/29,174.64
  6. Step 6: Final answer
    x = 30,350.46

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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.