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Finding the Fourth Proportional to 64,464.36, 88,960.86 and 36,169.98

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Solution

The fourth proportional to 64,464.36, 88,960.86 and 36,169.98 is: 49,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,464.36 : 88,960.86 = 36,169.98 : x
  2. Step 2: Convert to fraction form
    64,464.36/88,960.86 = 36,169.98/x
  3. Step 3: Cross multiply
    64,464.36x = 88,960.86 × 36,169.98
  4. Step 4: Simplify right side
    64,464.36x = 3,217,712,526.98
  5. Step 5: Solve for x
    x = 3,217,712,526.98/64,464.36
  6. Step 6: Final answer
    x = 49,914.60

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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.