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Finding the Fourth Proportional to 66,544.27, 91,829.66 and 36,328.12

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Solution

The fourth proportional to 66,544.27, 91,829.66 and 36,328.12 is: 50,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.27 : 91,829.66 = 36,328.12 : x
  2. Step 2: Convert to fraction form
    66,544.27/91,829.66 = 36,328.12/x
  3. Step 3: Cross multiply
    66,544.27x = 91,829.66 × 36,328.12
  4. Step 4: Simplify right side
    66,544.27x = 3,335,998,998.86
  5. Step 5: Solve for x
    x = 3,335,998,998.86/66,544.27
  6. Step 6: Final answer
    x = 50,132.02

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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.