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Finding the Fourth Proportional to 66,753.40, 92,116.13 and 36,532.88

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Solution

The fourth proportional to 66,753.40, 92,116.13 and 36,532.88 is: 50,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.40 : 92,116.13 = 36,532.88 : x
  2. Step 2: Convert to fraction form
    66,753.40/92,116.13 = 36,532.88/x
  3. Step 3: Cross multiply
    66,753.40x = 92,116.13 × 36,532.88
  4. Step 4: Simplify right side
    66,753.40x = 3,365,266,880.11
  5. Step 5: Solve for x
    x = 3,365,266,880.11/66,753.40
  6. Step 6: Final answer
    x = 50,413.42

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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.