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Finding the Fourth Proportional to 66,558.85, 91,851.66 and 36,344.39

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Solution

The fourth proportional to 66,558.85, 91,851.66 and 36,344.39 is: 50,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.85 : 91,851.66 = 36,344.39 : x
  2. Step 2: Convert to fraction form
    66,558.85/91,851.66 = 36,344.39/x
  3. Step 3: Cross multiply
    66,558.85x = 91,851.66 × 36,344.39
  4. Step 4: Simplify right side
    66,558.85x = 3,338,292,093.93
  5. Step 5: Solve for x
    x = 3,338,292,093.93/66,558.85
  6. Step 6: Final answer
    x = 50,155.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.