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Finding the Fourth Proportional to 29,223.91, 40,281.60 and 22,839.22

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Solution

The fourth proportional to 29,223.91, 40,281.60 and 22,839.22 is: 31,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,223.91 : 40,281.60 = 22,839.22 : x
  2. Step 2: Convert to fraction form
    29,223.91/40,281.60 = 22,839.22/x
  3. Step 3: Cross multiply
    29,223.91x = 40,281.60 × 22,839.22
  4. Step 4: Simplify right side
    29,223.91x = 920,000,324.35
  5. Step 5: Solve for x
    x = 920,000,324.35/29,223.91
  6. Step 6: Final answer
    x = 31,481.08

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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.