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Finding the Fourth Proportional to 66,792.62, 92,173.94 and 36,166.05

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Solution

The fourth proportional to 66,792.62, 92,173.94 and 36,166.05 is: 49,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.62 : 92,173.94 = 36,166.05 : x
  2. Step 2: Convert to fraction form
    66,792.62/92,173.94 = 36,166.05/x
  3. Step 3: Cross multiply
    66,792.62x = 92,173.94 × 36,166.05
  4. Step 4: Simplify right side
    66,792.62x = 3,333,567,141.91
  5. Step 5: Solve for x
    x = 3,333,567,141.91/66,792.62
  6. Step 6: Final answer
    x = 49,909.22

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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.