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Finding the Fourth Proportional to 8,997.53, 12,416.94 and 5,018.54

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Solution

The fourth proportional to 8,997.53, 12,416.94 and 5,018.54 is: 6,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.53 : 12,416.94 = 5,018.54 : x
  2. Step 2: Convert to fraction form
    8,997.53/12,416.94 = 5,018.54/x
  3. Step 3: Cross multiply
    8,997.53x = 12,416.94 × 5,018.54
  4. Step 4: Simplify right side
    8,997.53x = 62,314,847.98
  5. Step 5: Solve for x
    x = 62,314,847.98/8,997.53
  6. Step 6: Final answer
    x = 6,925.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.