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Finding the Fourth Proportional to 56,789.25, 85,184.11 and 17,346.25

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Solution

The fourth proportional to 56,789.25, 85,184.11 and 17,346.25 is: 26,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,789.25 : 85,184.11 = 17,346.25 : x
  2. Step 2: Convert to fraction form
    56,789.25/85,184.11 = 17,346.25/x
  3. Step 3: Cross multiply
    56,789.25x = 85,184.11 × 17,346.25
  4. Step 4: Simplify right side
    56,789.25x = 1,477,624,898.68
  5. Step 5: Solve for x
    x = 1,477,624,898.68/56,789.25
  6. Step 6: Final answer
    x = 26,019.45

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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.