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Finding the Fourth Proportional to 29,958.70, 41,342.70 and 16,530.22

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Solution

The fourth proportional to 29,958.70, 41,342.70 and 16,530.22 is: 22,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,958.70 : 41,342.70 = 16,530.22 : x
  2. Step 2: Convert to fraction form
    29,958.70/41,342.70 = 16,530.22/x
  3. Step 3: Cross multiply
    29,958.70x = 41,342.70 × 16,530.22
  4. Step 4: Simplify right side
    29,958.70x = 683,403,926.39
  5. Step 5: Solve for x
    x = 683,403,926.39/29,958.70
  6. Step 6: Final answer
    x = 22,811.53

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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.