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Finding the Fourth Proportional to 29,404.58, 40,562.79 and 18,630.44

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Solution

The fourth proportional to 29,404.58, 40,562.79 and 18,630.44 is: 25,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.58 : 40,562.79 = 18,630.44 : x
  2. Step 2: Convert to fraction form
    29,404.58/40,562.79 = 18,630.44/x
  3. Step 3: Cross multiply
    29,404.58x = 40,562.79 × 18,630.44
  4. Step 4: Simplify right side
    29,404.58x = 755,702,625.33
  5. Step 5: Solve for x
    x = 755,702,625.33/29,404.58
  6. Step 6: Final answer
    x = 25,700.17

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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.