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Finding the Fourth Proportional to 8,997.62, 12,416.73 and 5,018.99

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Solution

The fourth proportional to 8,997.62, 12,416.73 and 5,018.99 is: 6,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.62 : 12,416.73 = 5,018.99 : x
  2. Step 2: Convert to fraction form
    8,997.62/12,416.73 = 5,018.99/x
  3. Step 3: Cross multiply
    8,997.62x = 12,416.73 × 5,018.99
  4. Step 4: Simplify right side
    8,997.62x = 62,319,404.90
  5. Step 5: Solve for x
    x = 62,319,404.90/8,997.62
  6. Step 6: Final answer
    x = 6,926.21

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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.