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Finding the Fourth Proportional to 44,821.68, 67,222.80 and 13,222.80

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Solution

The fourth proportional to 44,821.68, 67,222.80 and 13,222.80 is: 19,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,821.68 : 67,222.80 = 13,222.80 : x
  2. Step 2: Convert to fraction form
    44,821.68/67,222.80 = 13,222.80/x
  3. Step 3: Cross multiply
    44,821.68x = 67,222.80 × 13,222.80
  4. Step 4: Simplify right side
    44,821.68x = 888,873,639.84
  5. Step 5: Solve for x
    x = 888,873,639.84/44,821.68
  6. Step 6: Final answer
    x = 19,831.33

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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.