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Finding the Fourth Proportional to 22,611.53, 33,918.38 and 8,570.45

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Solution

The fourth proportional to 22,611.53, 33,918.38 and 8,570.45 is: 12,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.53 : 33,918.38 = 8,570.45 : x
  2. Step 2: Convert to fraction form
    22,611.53/33,918.38 = 8,570.45/x
  3. Step 3: Cross multiply
    22,611.53x = 33,918.38 × 8,570.45
  4. Step 4: Simplify right side
    22,611.53x = 290,695,779.87
  5. Step 5: Solve for x
    x = 290,695,779.87/22,611.53
  6. Step 6: Final answer
    x = 12,856.09

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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.