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Finding the Fourth Proportional to 62,676.92, 94,028.34 and 21,127.16

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Solution

The fourth proportional to 62,676.92, 94,028.34 and 21,127.16 is: 31,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.92 : 94,028.34 = 21,127.16 : x
  2. Step 2: Convert to fraction form
    62,676.92/94,028.34 = 21,127.16/x
  3. Step 3: Cross multiply
    62,676.92x = 94,028.34 × 21,127.16
  4. Step 4: Simplify right side
    62,676.92x = 1,986,551,783.71
  5. Step 5: Solve for x
    x = 1,986,551,783.71/62,676.92
  6. Step 6: Final answer
    x = 31,695.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.