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Finding the Fourth Proportional to 56,855.36, 85,252.88 and 17,401.88

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Solution

The fourth proportional to 56,855.36, 85,252.88 and 17,401.88 is: 26,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,855.36 : 85,252.88 = 17,401.88 : x
  2. Step 2: Convert to fraction form
    56,855.36/85,252.88 = 17,401.88/x
  3. Step 3: Cross multiply
    56,855.36x = 85,252.88 × 17,401.88
  4. Step 4: Simplify right side
    56,855.36x = 1,483,559,874.14
  5. Step 5: Solve for x
    x = 1,483,559,874.14/56,855.36
  6. Step 6: Final answer
    x = 26,093.58

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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.