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Finding the Fourth Proportional to 66,447.04, 91,697.12 and 36,232.96

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Solution

The fourth proportional to 66,447.04, 91,697.12 and 36,232.96 is: 50,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.04 : 91,697.12 = 36,232.96 : x
  2. Step 2: Convert to fraction form
    66,447.04/91,697.12 = 36,232.96/x
  3. Step 3: Cross multiply
    66,447.04x = 91,697.12 × 36,232.96
  4. Step 4: Simplify right side
    66,447.04x = 3,322,458,081.08
  5. Step 5: Solve for x
    x = 3,322,458,081.08/66,447.04
  6. Step 6: Final answer
    x = 50,001.60

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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.