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Finding the Fourth Proportional to 56,664.78, 85,006.89 and 17,225.88

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Solution

The fourth proportional to 56,664.78, 85,006.89 and 17,225.88 is: 25,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.78 : 85,006.89 = 17,225.88 : x
  2. Step 2: Convert to fraction form
    56,664.78/85,006.89 = 17,225.88/x
  3. Step 3: Cross multiply
    56,664.78x = 85,006.89 × 17,225.88
  4. Step 4: Simplify right side
    56,664.78x = 1,464,318,486.31
  5. Step 5: Solve for x
    x = 1,464,318,486.31/56,664.78
  6. Step 6: Final answer
    x = 25,841.77

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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.