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Finding the Fourth Proportional to 66,997.12, 92,458.56 and 37,194.88

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Solution

The fourth proportional to 66,997.12, 92,458.56 and 37,194.88 is: 51,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.12 : 92,458.56 = 37,194.88 : x
  2. Step 2: Convert to fraction form
    66,997.12/92,458.56 = 37,194.88/x
  3. Step 3: Cross multiply
    66,997.12x = 92,458.56 × 37,194.88
  4. Step 4: Simplify right side
    66,997.12x = 3,438,985,044.17
  5. Step 5: Solve for x
    x = 3,438,985,044.17/66,997.12
  6. Step 6: Final answer
    x = 51,330.34

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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.