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Finding the Fourth Proportional to 63,038.94, 86,994.13 and 34,744.62

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Solution

The fourth proportional to 63,038.94, 86,994.13 and 34,744.62 is: 47,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,038.94 : 86,994.13 = 34,744.62 : x
  2. Step 2: Convert to fraction form
    63,038.94/86,994.13 = 34,744.62/x
  3. Step 3: Cross multiply
    63,038.94x = 86,994.13 × 34,744.62
  4. Step 4: Simplify right side
    63,038.94x = 3,022,577,989.08
  5. Step 5: Solve for x
    x = 3,022,577,989.08/63,038.94
  6. Step 6: Final answer
    x = 47,947.79

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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.