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Finding the Fourth Proportional to 63,020.84, 86,968.76 and 34,726.28

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Solution

The fourth proportional to 63,020.84, 86,968.76 and 34,726.28 is: 47,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,020.84 : 86,968.76 = 34,726.28 : x
  2. Step 2: Convert to fraction form
    63,020.84/86,968.76 = 34,726.28/x
  3. Step 3: Cross multiply
    63,020.84x = 86,968.76 × 34,726.28
  4. Step 4: Simplify right side
    63,020.84x = 3,020,101,511.01
  5. Step 5: Solve for x
    x = 3,020,101,511.01/63,020.84
  6. Step 6: Final answer
    x = 47,922.27

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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.