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Finding the Fourth Proportional to 29,230.63, 40,342.22 and 16,486.43

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Solution

The fourth proportional to 29,230.63, 40,342.22 and 16,486.43 is: 22,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.63 : 40,342.22 = 16,486.43 : x
  2. Step 2: Convert to fraction form
    29,230.63/40,342.22 = 16,486.43/x
  3. Step 3: Cross multiply
    29,230.63x = 40,342.22 × 16,486.43
  4. Step 4: Simplify right side
    29,230.63x = 665,099,186.07
  5. Step 5: Solve for x
    x = 665,099,186.07/29,230.63
  6. Step 6: Final answer
    x = 22,753.50

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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.