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Finding the Fourth Proportional to 66,863.88, 92,274.59 and 36,651.89

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Solution

The fourth proportional to 66,863.88, 92,274.59 and 36,651.89 is: 50,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.88 : 92,274.59 = 36,651.89 : x
  2. Step 2: Convert to fraction form
    66,863.88/92,274.59 = 36,651.89/x
  3. Step 3: Cross multiply
    66,863.88x = 92,274.59 × 36,651.89
  4. Step 4: Simplify right side
    66,863.88x = 3,382,038,444.79
  5. Step 5: Solve for x
    x = 3,382,038,444.79/66,863.88
  6. Step 6: Final answer
    x = 50,580.95

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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.