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Finding the Fourth Proportional to 63,003.36, 86,944.64 and 34,709.06

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Solution

The fourth proportional to 63,003.36, 86,944.64 and 34,709.06 is: 47,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,003.36 : 86,944.64 = 34,709.06 : x
  2. Step 2: Convert to fraction form
    63,003.36/86,944.64 = 34,709.06/x
  3. Step 3: Cross multiply
    63,003.36x = 86,944.64 × 34,709.06
  4. Step 4: Simplify right side
    63,003.36x = 3,017,766,118.17
  5. Step 5: Solve for x
    x = 3,017,766,118.17/63,003.36
  6. Step 6: Final answer
    x = 47,898.49

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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.