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Finding the Fourth Proportional to 56,737, 85,118.13 and 17,297.18

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Solution

The fourth proportional to 56,737, 85,118.13 and 17,297.18 is: 25,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737 : 85,118.13 = 17,297.18 : x
  2. Step 2: Convert to fraction form
    56,737/85,118.13 = 17,297.18/x
  3. Step 3: Cross multiply
    56,737x = 85,118.13 × 17,297.18
  4. Step 4: Simplify right side
    56,737x = 1,472,303,615.87
  5. Step 5: Solve for x
    x = 1,472,303,615.87/56,737
  6. Step 6: Final answer
    x = 25,949.62

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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.