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Finding the Fourth Proportional to 66,944.70, 92,384.61 and 36,729.45

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Solution

The fourth proportional to 66,944.70, 92,384.61 and 36,729.45 is: 50,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,944.70 : 92,384.61 = 36,729.45 : x
  2. Step 2: Convert to fraction form
    66,944.70/92,384.61 = 36,729.45/x
  3. Step 3: Cross multiply
    66,944.70x = 92,384.61 × 36,729.45
  4. Step 4: Simplify right side
    66,944.70x = 3,393,235,913.76
  5. Step 5: Solve for x
    x = 3,393,235,913.76/66,944.70
  6. Step 6: Final answer
    x = 50,687.15

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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.