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Finding the Fourth Proportional to 29,590.80, 40,835.54 and 16,161.81

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Solution

The fourth proportional to 29,590.80, 40,835.54 and 16,161.81 is: 22,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.80 : 40,835.54 = 16,161.81 : x
  2. Step 2: Convert to fraction form
    29,590.80/40,835.54 = 16,161.81/x
  3. Step 3: Cross multiply
    29,590.80x = 40,835.54 × 16,161.81
  4. Step 4: Simplify right side
    29,590.80x = 659,976,157.92
  5. Step 5: Solve for x
    x = 659,976,157.92/29,590.80
  6. Step 6: Final answer
    x = 22,303.42

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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.