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Finding the Fourth Proportional to 66,792.58, 92,183.88 and 38,112.10

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Solution

The fourth proportional to 66,792.58, 92,183.88 and 38,112.10 is: 52,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.58 : 92,183.88 = 38,112.10 : x
  2. Step 2: Convert to fraction form
    66,792.58/92,183.88 = 38,112.10/x
  3. Step 3: Cross multiply
    66,792.58x = 92,183.88 × 38,112.10
  4. Step 4: Simplify right side
    66,792.58x = 3,513,321,252.95
  5. Step 5: Solve for x
    x = 3,513,321,252.95/66,792.58
  6. Step 6: Final answer
    x = 52,600.47

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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.