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Finding the Fourth Proportional to 29,227.84, 40,334.29 and 15,799.12

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Solution

The fourth proportional to 29,227.84, 40,334.29 and 15,799.12 is: 21,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,227.84 : 40,334.29 = 15,799.12 : x
  2. Step 2: Convert to fraction form
    29,227.84/40,334.29 = 15,799.12/x
  3. Step 3: Cross multiply
    29,227.84x = 40,334.29 × 15,799.12
  4. Step 4: Simplify right side
    29,227.84x = 637,246,147.49
  5. Step 5: Solve for x
    x = 637,246,147.49/29,227.84
  6. Step 6: Final answer
    x = 21,802.71

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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.