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Finding the Fourth Proportional to 43,698.62, 65,406.93 and 22,609.61

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Solution

The fourth proportional to 43,698.62, 65,406.93 and 22,609.61 is: 33,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,698.62 : 65,406.93 = 22,609.61 : x
  2. Step 2: Convert to fraction form
    43,698.62/65,406.93 = 22,609.61/x
  3. Step 3: Cross multiply
    43,698.62x = 65,406.93 × 22,609.61
  4. Step 4: Simplify right side
    43,698.62x = 1,478,824,851.56
  5. Step 5: Solve for x
    x = 1,478,824,851.56/43,698.62
  6. Step 6: Final answer
    x = 33,841.46

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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.