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Finding the Fourth Proportional to 29,220.74, 40,343.10 and 22,493.72

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Solution

The fourth proportional to 29,220.74, 40,343.10 and 22,493.72 is: 31,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.74 : 40,343.10 = 22,493.72 : x
  2. Step 2: Convert to fraction form
    29,220.74/40,343.10 = 22,493.72/x
  3. Step 3: Cross multiply
    29,220.74x = 40,343.10 × 22,493.72
  4. Step 4: Simplify right side
    29,220.74x = 907,466,395.33
  5. Step 5: Solve for x
    x = 907,466,395.33/29,220.74
  6. Step 6: Final answer
    x = 31,055.56

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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.