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Finding the Fourth Proportional to 63,384.94, 87,470.92 and 34,313.23

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Solution

The fourth proportional to 63,384.94, 87,470.92 and 34,313.23 is: 47,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,384.94 : 87,470.92 = 34,313.23 : x
  2. Step 2: Convert to fraction form
    63,384.94/87,470.92 = 34,313.23/x
  3. Step 3: Cross multiply
    63,384.94x = 87,470.92 × 34,313.23
  4. Step 4: Simplify right side
    63,384.94x = 3,001,409,796.27
  5. Step 5: Solve for x
    x = 3,001,409,796.27/63,384.94
  6. Step 6: Final answer
    x = 47,352.10

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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.