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Finding the Fourth Proportional to 29,230.74, 40,338.81 and 16,655.22

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Solution

The fourth proportional to 29,230.74, 40,338.81 and 16,655.22 is: 22,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.74 : 40,338.81 = 16,655.22 : x
  2. Step 2: Convert to fraction form
    29,230.74/40,338.81 = 16,655.22/x
  3. Step 3: Cross multiply
    29,230.74x = 40,338.81 × 16,655.22
  4. Step 4: Simplify right side
    29,230.74x = 671,851,755.09
  5. Step 5: Solve for x
    x = 671,851,755.09/29,230.74
  6. Step 6: Final answer
    x = 22,984.43

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Similar ratio
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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.