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Finding the Fourth Proportional to 29,658.96, 40,929.48 and 16,230.33

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Solution

The fourth proportional to 29,658.96, 40,929.48 and 16,230.33 is: 22,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.96 : 40,929.48 = 16,230.33 : x
  2. Step 2: Convert to fraction form
    29,658.96/40,929.48 = 16,230.33/x
  3. Step 3: Cross multiply
    29,658.96x = 40,929.48 × 16,230.33
  4. Step 4: Simplify right side
    29,658.96x = 664,298,967.13
  5. Step 5: Solve for x
    x = 664,298,967.13/29,658.96
  6. Step 6: Final answer
    x = 22,397.92

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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.