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Finding the Fourth Proportional to 63,089.71, 87,063.89 and 34,409.43

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Solution

The fourth proportional to 63,089.71, 87,063.89 and 34,409.43 is: 47,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,089.71 : 87,063.89 = 34,409.43 : x
  2. Step 2: Convert to fraction form
    63,089.71/87,063.89 = 34,409.43/x
  3. Step 3: Cross multiply
    63,089.71x = 87,063.89 × 34,409.43
  4. Step 4: Simplify right side
    63,089.71x = 2,995,818,828.48
  5. Step 5: Solve for x
    x = 2,995,818,828.48/63,089.71
  6. Step 6: Final answer
    x = 47,485.06

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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.