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Finding the Fourth Proportional to 64,231.80, 88,639.98 and 35,937.50

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Solution

The fourth proportional to 64,231.80, 88,639.98 and 35,937.50 is: 49,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.80 : 88,639.98 = 35,937.50 : x
  2. Step 2: Convert to fraction form
    64,231.80/88,639.98 = 35,937.50/x
  3. Step 3: Cross multiply
    64,231.80x = 88,639.98 × 35,937.50
  4. Step 4: Simplify right side
    64,231.80x = 3,185,499,281.25
  5. Step 5: Solve for x
    x = 3,185,499,281.25/64,231.80
  6. Step 6: Final answer
    x = 49,593.80

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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.