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Finding the Fourth Proportional to 67,663.06, 93,372.70 and 37,449.64

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Solution

The fourth proportional to 67,663.06, 93,372.70 and 37,449.64 is: 51,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663.06 : 93,372.70 = 37,449.64 : x
  2. Step 2: Convert to fraction form
    67,663.06/93,372.70 = 37,449.64/x
  3. Step 3: Cross multiply
    67,663.06x = 93,372.70 × 37,449.64
  4. Step 4: Simplify right side
    67,663.06x = 3,496,774,000.83
  5. Step 5: Solve for x
    x = 3,496,774,000.83/67,663.06
  6. Step 6: Final answer
    x = 51,679.22

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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.