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Finding the Fourth Proportional to 29,486.34, 40,691.34 and 17,550.09

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Solution

The fourth proportional to 29,486.34, 40,691.34 and 17,550.09 is: 24,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.34 : 40,691.34 = 17,550.09 : x
  2. Step 2: Convert to fraction form
    29,486.34/40,691.34 = 17,550.09/x
  3. Step 3: Cross multiply
    29,486.34x = 40,691.34 × 17,550.09
  4. Step 4: Simplify right side
    29,486.34x = 714,136,679.22
  5. Step 5: Solve for x
    x = 714,136,679.22/29,486.34
  6. Step 6: Final answer
    x = 24,219.24

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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.