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Finding the Fourth Proportional to 64,240.94, 88,647.71 and 37,378.80

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Solution

The fourth proportional to 64,240.94, 88,647.71 and 37,378.80 is: 51,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,240.94 : 88,647.71 = 37,378.80 : x
  2. Step 2: Convert to fraction form
    64,240.94/88,647.71 = 37,378.80/x
  3. Step 3: Cross multiply
    64,240.94x = 88,647.71 × 37,378.80
  4. Step 4: Simplify right side
    64,240.94x = 3,313,544,835.65
  5. Step 5: Solve for x
    x = 3,313,544,835.65/64,240.94
  6. Step 6: Final answer
    x = 51,579.96

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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.