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Finding the Fourth Proportional to 66,527.73, 91,808.57 and 36,313.72

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Solution

The fourth proportional to 66,527.73, 91,808.57 and 36,313.72 is: 50,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.73 : 91,808.57 = 36,313.72 : x
  2. Step 2: Convert to fraction form
    66,527.73/91,808.57 = 36,313.72/x
  3. Step 3: Cross multiply
    66,527.73x = 91,808.57 × 36,313.72
  4. Step 4: Simplify right side
    66,527.73x = 3,333,910,565.84
  5. Step 5: Solve for x
    x = 3,333,910,565.84/66,527.73
  6. Step 6: Final answer
    x = 50,113.10

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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.