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Finding the Fourth Proportional to 63,270.64, 87,313.26 and 34,976.17

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Solution

The fourth proportional to 63,270.64, 87,313.26 and 34,976.17 is: 48,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.64 : 87,313.26 = 34,976.17 : x
  2. Step 2: Convert to fraction form
    63,270.64/87,313.26 = 34,976.17/x
  3. Step 3: Cross multiply
    63,270.64x = 87,313.26 × 34,976.17
  4. Step 4: Simplify right side
    63,270.64x = 3,053,883,425.01
  5. Step 5: Solve for x
    x = 3,053,883,425.01/63,270.64
  6. Step 6: Final answer
    x = 48,266.99

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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.