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Finding the Fourth Proportional to 66,807.41, 100,220.34 and 22,446.85

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Solution

The fourth proportional to 66,807.41, 100,220.34 and 22,446.85 is: 33,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807.41 : 100,220.34 = 22,446.85 : x
  2. Step 2: Convert to fraction form
    66,807.41/100,220.34 = 22,446.85/x
  3. Step 3: Cross multiply
    66,807.41x = 100,220.34 × 22,446.85
  4. Step 4: Simplify right side
    66,807.41x = 2,249,630,938.93
  5. Step 5: Solve for x
    x = 2,249,630,938.93/66,807.41
  6. Step 6: Final answer
    x = 33,673.37

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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.