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Finding the Fourth Proportional to 71,213.07, 106,786.71 and 26,223.13

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Solution

The fourth proportional to 71,213.07, 106,786.71 and 26,223.13 is: 39,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,213.07 : 106,786.71 = 26,223.13 : x
  2. Step 2: Convert to fraction form
    71,213.07/106,786.71 = 26,223.13/x
  3. Step 3: Cross multiply
    71,213.07x = 106,786.71 × 26,223.13
  4. Step 4: Simplify right side
    71,213.07x = 2,800,281,778.60
  5. Step 5: Solve for x
    x = 2,800,281,778.60/71,213.07
  6. Step 6: Final answer
    x = 39,322.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.