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Finding the Fourth Proportional to 61,768.71, 92,652.39 and 15,021.63

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Solution

The fourth proportional to 61,768.71, 92,652.39 and 15,021.63 is: 22,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.71 : 92,652.39 = 15,021.63 : x
  2. Step 2: Convert to fraction form
    61,768.71/92,652.39 = 15,021.63/x
  3. Step 3: Cross multiply
    61,768.71x = 92,652.39 × 15,021.63
  4. Step 4: Simplify right side
    61,768.71x = 1,391,789,921.20
  5. Step 5: Solve for x
    x = 1,391,789,921.20/61,768.71
  6. Step 6: Final answer
    x = 22,532.28

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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.