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Finding the Fourth Proportional to 64,313.46, 88,750.50 and 35,631.94

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Solution

The fourth proportional to 64,313.46, 88,750.50 and 35,631.94 is: 49,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,313.46 : 88,750.50 = 35,631.94 : x
  2. Step 2: Convert to fraction form
    64,313.46/88,750.50 = 35,631.94/x
  3. Step 3: Cross multiply
    64,313.46x = 88,750.50 × 35,631.94
  4. Step 4: Simplify right side
    64,313.46x = 3,162,352,490.97
  5. Step 5: Solve for x
    x = 3,162,352,490.97/64,313.46
  6. Step 6: Final answer
    x = 49,170.93

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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.