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Finding the Fourth Proportional to 63,425.87, 87,527.31 and 34,745.81

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Solution

The fourth proportional to 63,425.87, 87,527.31 and 34,745.81 is: 47,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,425.87 : 87,527.31 = 34,745.81 : x
  2. Step 2: Convert to fraction form
    63,425.87/87,527.31 = 34,745.81/x
  3. Step 3: Cross multiply
    63,425.87x = 87,527.31 × 34,745.81
  4. Step 4: Simplify right side
    63,425.87x = 3,041,207,283.07
  5. Step 5: Solve for x
    x = 3,041,207,283.07/63,425.87
  6. Step 6: Final answer
    x = 47,949.00

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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.