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Finding the Fourth Proportional to 66,800.53, 92,186.12 and 36,587.12

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Solution

The fourth proportional to 66,800.53, 92,186.12 and 36,587.12 is: 50,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800.53 : 92,186.12 = 36,587.12 : x
  2. Step 2: Convert to fraction form
    66,800.53/92,186.12 = 36,587.12/x
  3. Step 3: Cross multiply
    66,800.53x = 92,186.12 × 36,587.12
  4. Step 4: Simplify right side
    66,800.53x = 3,372,824,451.84
  5. Step 5: Solve for x
    x = 3,372,824,451.84/66,800.53
  6. Step 6: Final answer
    x = 50,490.99

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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.