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Finding the Fourth Proportional to 64,663.30, 89,221.98 and 37,800.62

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Solution

The fourth proportional to 64,663.30, 89,221.98 and 37,800.62 is: 52,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.30 : 89,221.98 = 37,800.62 : x
  2. Step 2: Convert to fraction form
    64,663.30/89,221.98 = 37,800.62/x
  3. Step 3: Cross multiply
    64,663.30x = 89,221.98 × 37,800.62
  4. Step 4: Simplify right side
    64,663.30x = 3,372,646,161.63
  5. Step 5: Solve for x
    x = 3,372,646,161.63/64,663.30
  6. Step 6: Final answer
    x = 52,157.04

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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.