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Finding the Fourth Proportional to 64,440.65, 88,927.02 and 36,145.73

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Solution

The fourth proportional to 64,440.65, 88,927.02 and 36,145.73 is: 49,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,440.65 : 88,927.02 = 36,145.73 : x
  2. Step 2: Convert to fraction form
    64,440.65/88,927.02 = 36,145.73/x
  3. Step 3: Cross multiply
    64,440.65x = 88,927.02 × 36,145.73
  4. Step 4: Simplify right side
    64,440.65x = 3,214,332,276.94
  5. Step 5: Solve for x
    x = 3,214,332,276.94/64,440.65
  6. Step 6: Final answer
    x = 49,880.50

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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.