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Finding the Fourth Proportional to 63,341.43, 87,409.80 and 34,660.96

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Solution

The fourth proportional to 63,341.43, 87,409.80 and 34,660.96 is: 47,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,341.43 : 87,409.80 = 34,660.96 : x
  2. Step 2: Convert to fraction form
    63,341.43/87,409.80 = 34,660.96/x
  3. Step 3: Cross multiply
    63,341.43x = 87,409.80 × 34,660.96
  4. Step 4: Simplify right side
    63,341.43x = 3,029,707,581.41
  5. Step 5: Solve for x
    x = 3,029,707,581.41/63,341.43
  6. Step 6: Final answer
    x = 47,831.37

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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.