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Finding the Fourth Proportional to 29,311.35, 40,468.01 and 22,584.21

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Solution

The fourth proportional to 29,311.35, 40,468.01 and 22,584.21 is: 31,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.35 : 40,468.01 = 22,584.21 : x
  2. Step 2: Convert to fraction form
    29,311.35/40,468.01 = 22,584.21/x
  3. Step 3: Cross multiply
    29,311.35x = 40,468.01 × 22,584.21
  4. Step 4: Simplify right side
    29,311.35x = 913,937,923.20
  5. Step 5: Solve for x
    x = 913,937,923.20/29,311.35
  6. Step 6: Final answer
    x = 31,180.34

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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.