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Finding the Fourth Proportional to 66,807.90, 92,194.86 and 36,592.95

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Solution

The fourth proportional to 66,807.90, 92,194.86 and 36,592.95 is: 50,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807.90 : 92,194.86 = 36,592.95 : x
  2. Step 2: Convert to fraction form
    66,807.90/92,194.86 = 36,592.95/x
  3. Step 3: Cross multiply
    66,807.90x = 92,194.86 × 36,592.95
  4. Step 4: Simplify right side
    66,807.90x = 3,373,682,281.27
  5. Step 5: Solve for x
    x = 3,373,682,281.27/66,807.90
  6. Step 6: Final answer
    x = 50,498.26

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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.