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Finding the Fourth Proportional to 84,562.86, 126,834.21 and 22,238.22

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Solution

The fourth proportional to 84,562.86, 126,834.21 and 22,238.22 is: 33,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,562.86 : 126,834.21 = 22,238.22 : x
  2. Step 2: Convert to fraction form
    84,562.86/126,834.21 = 22,238.22/x
  3. Step 3: Cross multiply
    84,562.86x = 126,834.21 × 22,238.22
  4. Step 4: Simplify right side
    84,562.86x = 2,820,567,065.51
  5. Step 5: Solve for x
    x = 2,820,567,065.51/84,562.86
  6. Step 6: Final answer
    x = 33,354.68

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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.