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Finding the Fourth Proportional to 63,388.49, 87,473.41 and 34,707.63

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Solution

The fourth proportional to 63,388.49, 87,473.41 and 34,707.63 is: 47,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.49 : 87,473.41 = 34,707.63 : x
  2. Step 2: Convert to fraction form
    63,388.49/87,473.41 = 34,707.63/x
  3. Step 3: Cross multiply
    63,388.49x = 87,473.41 × 34,707.63
  4. Step 4: Simplify right side
    63,388.49x = 3,035,994,749.12
  5. Step 5: Solve for x
    x = 3,035,994,749.12/63,388.49
  6. Step 6: Final answer
    x = 47,895.05

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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.