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Finding the Fourth Proportional to 66,900, 92,322.24 and 37,092

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Solution

The fourth proportional to 66,900, 92,322.24 and 37,092 is: 51,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900 : 92,322.24 = 37,092 : x
  2. Step 2: Convert to fraction form
    66,900/92,322.24 = 37,092/x
  3. Step 3: Cross multiply
    66,900x = 92,322.24 × 37,092
  4. Step 4: Simplify right side
    66,900x = 3,424,416,526.08
  5. Step 5: Solve for x
    x = 3,424,416,526.08/66,900
  6. Step 6: Final answer
    x = 51,187.09

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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.