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Finding the Fourth Proportional to 66,893.52, 92,315.73 and 36,679.92

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Solution

The fourth proportional to 66,893.52, 92,315.73 and 36,679.92 is: 50,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.52 : 92,315.73 = 36,679.92 : x
  2. Step 2: Convert to fraction form
    66,893.52/92,315.73 = 36,679.92/x
  3. Step 3: Cross multiply
    66,893.52x = 92,315.73 × 36,679.92
  4. Step 4: Simplify right side
    66,893.52x = 3,386,133,591.14
  5. Step 5: Solve for x
    x = 3,386,133,591.14/66,893.52
  6. Step 6: Final answer
    x = 50,619.75

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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.