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Finding the Fourth Proportional to 29,370.98, 40,532.00 and 15,942.24

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Solution

The fourth proportional to 29,370.98, 40,532.00 and 15,942.24 is: 22,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.98 : 40,532.00 = 15,942.24 : x
  2. Step 2: Convert to fraction form
    29,370.98/40,532.00 = 15,942.24/x
  3. Step 3: Cross multiply
    29,370.98x = 40,532.00 × 15,942.24
  4. Step 4: Simplify right side
    29,370.98x = 646,170,791.97
  5. Step 5: Solve for x
    x = 646,170,791.97/29,370.98
  6. Step 6: Final answer
    x = 22,000.31

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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.