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Finding the Fourth Proportional to 66,996, 92,454.48 and 37,188

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Solution

The fourth proportional to 66,996, 92,454.48 and 37,188 is: 51,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996 : 92,454.48 = 37,188 : x
  2. Step 2: Convert to fraction form
    66,996/92,454.48 = 37,188/x
  3. Step 3: Cross multiply
    66,996x = 92,454.48 × 37,188
  4. Step 4: Simplify right side
    66,996x = 3,438,197,202.24
  5. Step 5: Solve for x
    x = 3,438,197,202.24/66,996
  6. Step 6: Final answer
    x = 51,319.44

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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.