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Finding the Fourth Proportional to 66,240.81, 91,322.85 and 44,983.17

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Solution

The fourth proportional to 66,240.81, 91,322.85 and 44,983.17 is: 62,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.81 : 91,322.85 = 44,983.17 : x
  2. Step 2: Convert to fraction form
    66,240.81/91,322.85 = 44,983.17/x
  3. Step 3: Cross multiply
    66,240.81x = 91,322.85 × 44,983.17
  4. Step 4: Simplify right side
    66,240.81x = 4,107,991,286.43
  5. Step 5: Solve for x
    x = 4,107,991,286.43/66,240.81
  6. Step 6: Final answer
    x = 62,016.02

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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.