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Finding the Fourth Proportional to 29,224.80, 40,332.70 and 16,480.44

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Solution

The fourth proportional to 29,224.80, 40,332.70 and 16,480.44 is: 22,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,224.80 : 40,332.70 = 16,480.44 : x
  2. Step 2: Convert to fraction form
    29,224.80/40,332.70 = 16,480.44/x
  3. Step 3: Cross multiply
    29,224.80x = 40,332.70 × 16,480.44
  4. Step 4: Simplify right side
    29,224.80x = 664,700,642.39
  5. Step 5: Solve for x
    x = 664,700,642.39/29,224.80
  6. Step 6: Final answer
    x = 22,744.40

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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.