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Finding the Fourth Proportional to 64,909.45, 97,327.64 and 44,669.98

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Solution

The fourth proportional to 64,909.45, 97,327.64 and 44,669.98 is: 66,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.45 : 97,327.64 = 44,669.98 : x
  2. Step 2: Convert to fraction form
    64,909.45/97,327.64 = 44,669.98/x
  3. Step 3: Cross multiply
    64,909.45x = 97,327.64 × 44,669.98
  4. Step 4: Simplify right side
    64,909.45x = 4,347,623,357.28
  5. Step 5: Solve for x
    x = 4,347,623,357.28/64,909.45
  6. Step 6: Final answer
    x = 66,979.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.