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Finding the Fourth Proportional to 66,333.60, 91,538.64 and 36,119.52

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Solution

The fourth proportional to 66,333.60, 91,538.64 and 36,119.52 is: 49,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.60 : 91,538.64 = 36,119.52 : x
  2. Step 2: Convert to fraction form
    66,333.60/91,538.64 = 36,119.52/x
  3. Step 3: Cross multiply
    66,333.60x = 91,538.64 × 36,119.52
  4. Step 4: Simplify right side
    66,333.60x = 3,306,331,738.25
  5. Step 5: Solve for x
    x = 3,306,331,738.25/66,333.60
  6. Step 6: Final answer
    x = 49,844.00

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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.