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Finding the Fourth Proportional to 66,243.80, 99,365.60 and 26,801.22

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Solution

The fourth proportional to 66,243.80, 99,365.60 and 26,801.22 is: 40,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,243.80 : 99,365.60 = 26,801.22 : x
  2. Step 2: Convert to fraction form
    66,243.80/99,365.60 = 26,801.22/x
  3. Step 3: Cross multiply
    66,243.80x = 99,365.60 × 26,801.22
  4. Step 4: Simplify right side
    66,243.80x = 2,663,119,306.03
  5. Step 5: Solve for x
    x = 2,663,119,306.03/66,243.80
  6. Step 6: Final answer
    x = 40,201.79

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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.