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Finding the Fourth Proportional to 66,404.68, 99,520.75 and 26,940.27

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Solution

The fourth proportional to 66,404.68, 99,520.75 and 26,940.27 is: 40,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,404.68 : 99,520.75 = 26,940.27 : x
  2. Step 2: Convert to fraction form
    66,404.68/99,520.75 = 26,940.27/x
  3. Step 3: Cross multiply
    66,404.68x = 99,520.75 × 26,940.27
  4. Step 4: Simplify right side
    66,404.68x = 2,681,115,875.60
  5. Step 5: Solve for x
    x = 2,681,115,875.60/66,404.68
  6. Step 6: Final answer
    x = 40,375.41

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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.