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Finding the Fourth Proportional to 61,604.78, 92,406.36 and 14,857.28

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Solution

The fourth proportional to 61,604.78, 92,406.36 and 14,857.28 is: 22,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.78 : 92,406.36 = 14,857.28 : x
  2. Step 2: Convert to fraction form
    61,604.78/92,406.36 = 14,857.28/x
  3. Step 3: Cross multiply
    61,604.78x = 92,406.36 × 14,857.28
  4. Step 4: Simplify right side
    61,604.78x = 1,372,907,164.30
  5. Step 5: Solve for x
    x = 1,372,907,164.30/61,604.78
  6. Step 6: Final answer
    x = 22,285.72

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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.