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Finding the Fourth Proportional to 22,154.69, 33,211.01 and 8,835.86

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Solution

The fourth proportional to 22,154.69, 33,211.01 and 8,835.86 is: 13,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.69 : 33,211.01 = 8,835.86 : x
  2. Step 2: Convert to fraction form
    22,154.69/33,211.01 = 8,835.86/x
  3. Step 3: Cross multiply
    22,154.69x = 33,211.01 × 8,835.86
  4. Step 4: Simplify right side
    22,154.69x = 293,447,873.67
  5. Step 5: Solve for x
    x = 293,447,873.67/22,154.69
  6. Step 6: Final answer
    x = 13,245.40

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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.