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Finding the Fourth Proportional to 66,073.45, 91,182.03 and 35,859.04

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Solution

The fourth proportional to 66,073.45, 91,182.03 and 35,859.04 is: 49,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.45 : 91,182.03 = 35,859.04 : x
  2. Step 2: Convert to fraction form
    66,073.45/91,182.03 = 35,859.04/x
  3. Step 3: Cross multiply
    66,073.45x = 91,182.03 × 35,859.04
  4. Step 4: Simplify right side
    66,073.45x = 3,269,700,061.05
  5. Step 5: Solve for x
    x = 3,269,700,061.05/66,073.45
  6. Step 6: Final answer
    x = 49,485.84

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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.