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Finding the Fourth Proportional to 63,006.91, 86,949.75 and 34,712.53

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Solution

The fourth proportional to 63,006.91, 86,949.75 and 34,712.53 is: 47,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,006.91 : 86,949.75 = 34,712.53 : x
  2. Step 2: Convert to fraction form
    63,006.91/86,949.75 = 34,712.53/x
  3. Step 3: Cross multiply
    63,006.91x = 86,949.75 × 34,712.53
  4. Step 4: Simplify right side
    63,006.91x = 3,018,245,805.37
  5. Step 5: Solve for x
    x = 3,018,245,805.37/63,006.91
  6. Step 6: Final answer
    x = 47,903.41

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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.