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Finding the Fourth Proportional to 66,968.79, 92,416.63 and 36,754.62

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Solution

The fourth proportional to 66,968.79, 92,416.63 and 36,754.62 is: 50,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968.79 : 92,416.63 = 36,754.62 : x
  2. Step 2: Convert to fraction form
    66,968.79/92,416.63 = 36,754.62/x
  3. Step 3: Cross multiply
    66,968.79x = 92,416.63 × 36,754.62
  4. Step 4: Simplify right side
    66,968.79x = 3,396,738,117.33
  5. Step 5: Solve for x
    x = 3,396,738,117.33/66,968.79
  6. Step 6: Final answer
    x = 50,721.21

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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.