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Finding the Fourth Proportional to 29,607.96, 40,859.79 and 16,179.96

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Solution

The fourth proportional to 29,607.96, 40,859.79 and 16,179.96 is: 22,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.96 : 40,859.79 = 16,179.96 : x
  2. Step 2: Convert to fraction form
    29,607.96/40,859.79 = 16,179.96/x
  3. Step 3: Cross multiply
    29,607.96x = 40,859.79 × 16,179.96
  4. Step 4: Simplify right side
    29,607.96x = 661,109,767.81
  5. Step 5: Solve for x
    x = 661,109,767.81/29,607.96
  6. Step 6: Final answer
    x = 22,328.78

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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.