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Finding the Fourth Proportional to 8,997.82, 12,416.99 and 5,018.93

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Solution

The fourth proportional to 8,997.82, 12,416.99 and 5,018.93 is: 6,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.82 : 12,416.99 = 5,018.93 : x
  2. Step 2: Convert to fraction form
    8,997.82/12,416.99 = 5,018.93/x
  3. Step 3: Cross multiply
    8,997.82x = 12,416.99 × 5,018.93
  4. Step 4: Simplify right side
    8,997.82x = 62,320,061.08
  5. Step 5: Solve for x
    x = 62,320,061.08/8,997.82
  6. Step 6: Final answer
    x = 6,926.13

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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.