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Finding the Fourth Proportional to 22,611.59, 33,917.37 and 7,820.62

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Solution

The fourth proportional to 22,611.59, 33,917.37 and 7,820.62 is: 11,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.59 : 33,917.37 = 7,820.62 : x
  2. Step 2: Convert to fraction form
    22,611.59/33,917.37 = 7,820.62/x
  3. Step 3: Cross multiply
    22,611.59x = 33,917.37 × 7,820.62
  4. Step 4: Simplify right side
    22,611.59x = 265,254,748.05
  5. Step 5: Solve for x
    x = 265,254,748.05/22,611.59
  6. Step 6: Final answer
    x = 11,730.92

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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.