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Finding the Fourth Proportional to 22,378.46, 33,559.98 and 9,890.06

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Solution

The fourth proportional to 22,378.46, 33,559.98 and 9,890.06 is: 14,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.46 : 33,559.98 = 9,890.06 : x
  2. Step 2: Convert to fraction form
    22,378.46/33,559.98 = 9,890.06/x
  3. Step 3: Cross multiply
    22,378.46x = 33,559.98 × 9,890.06
  4. Step 4: Simplify right side
    22,378.46x = 331,910,215.80
  5. Step 5: Solve for x
    x = 331,910,215.80/22,378.46
  6. Step 6: Final answer
    x = 14,831.68

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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.