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Finding the Fourth Proportional to 64,882.96, 89,540.62 and 37,656.98

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Solution

The fourth proportional to 64,882.96, 89,540.62 and 37,656.98 is: 51,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,882.96 : 89,540.62 = 37,656.98 : x
  2. Step 2: Convert to fraction form
    64,882.96/89,540.62 = 37,656.98/x
  3. Step 3: Cross multiply
    64,882.96x = 89,540.62 × 37,656.98
  4. Step 4: Simplify right side
    64,882.96x = 3,371,829,466.24
  5. Step 5: Solve for x
    x = 3,371,829,466.24/64,882.96
  6. Step 6: Final answer
    x = 51,967.88

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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.