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Finding the Fourth Proportional to 66,982.92, 92,437.59 and 36,771.06

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Solution

The fourth proportional to 66,982.92, 92,437.59 and 36,771.06 is: 50,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,982.92 : 92,437.59 = 36,771.06 : x
  2. Step 2: Convert to fraction form
    66,982.92/92,437.59 = 36,771.06/x
  3. Step 3: Cross multiply
    66,982.92x = 92,437.59 × 36,771.06
  4. Step 4: Simplify right side
    66,982.92x = 3,399,028,168.15
  5. Step 5: Solve for x
    x = 3,399,028,168.15/66,982.92
  6. Step 6: Final answer
    x = 50,744.70

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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.