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Finding the Fourth Proportional to 29,234.88, 40,349.18 and 28,262.88

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Solution

The fourth proportional to 29,234.88, 40,349.18 and 28,262.88 is: 39,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,234.88 : 40,349.18 = 28,262.88 : x
  2. Step 2: Convert to fraction form
    29,234.88/40,349.18 = 28,262.88/x
  3. Step 3: Cross multiply
    29,234.88x = 40,349.18 × 28,262.88
  4. Step 4: Simplify right side
    29,234.88x = 1,140,384,032.44
  5. Step 5: Solve for x
    x = 1,140,384,032.44/29,234.88
  6. Step 6: Final answer
    x = 39,007.65

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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.