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Finding the Fourth Proportional to 8,997.81, 13,496.71 and 4,612.47

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Solution

The fourth proportional to 8,997.81, 13,496.71 and 4,612.47 is: 6,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.81 : 13,496.71 = 4,612.47 : x
  2. Step 2: Convert to fraction form
    8,997.81/13,496.71 = 4,612.47/x
  3. Step 3: Cross multiply
    8,997.81x = 13,496.71 × 4,612.47
  4. Step 4: Simplify right side
    8,997.81x = 62,253,102.49
  5. Step 5: Solve for x
    x = 62,253,102.49/8,997.81
  6. Step 6: Final answer
    x = 6,918.70

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1.5x scale

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.