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Finding the Fourth Proportional to 29,953.97, 41,343.67 and 18,015

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Solution

The fourth proportional to 29,953.97, 41,343.67 and 18,015 is: 24,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,953.97 : 41,343.67 = 18,015 : x
  2. Step 2: Convert to fraction form
    29,953.97/41,343.67 = 18,015/x
  3. Step 3: Cross multiply
    29,953.97x = 41,343.67 × 18,015
  4. Step 4: Simplify right side
    29,953.97x = 744,806,215.05
  5. Step 5: Solve for x
    x = 744,806,215.05/29,953.97
  6. Step 6: Final answer
    x = 24,865.03

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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.