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Finding the Fourth Proportional to 66,919.61, 92,348.43 and 36,704.32

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Solution

The fourth proportional to 66,919.61, 92,348.43 and 36,704.32 is: 50,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.61 : 92,348.43 = 36,704.32 : x
  2. Step 2: Convert to fraction form
    66,919.61/92,348.43 = 36,704.32/x
  3. Step 3: Cross multiply
    66,919.61x = 92,348.43 × 36,704.32
  4. Step 4: Simplify right side
    66,919.61x = 3,389,586,326.22
  5. Step 5: Solve for x
    x = 3,389,586,326.22/66,919.61
  6. Step 6: Final answer
    x = 50,651.62

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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.