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Finding the Fourth Proportional to 8,360.66, 12,547.02 and 6,736.82

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Solution

The fourth proportional to 8,360.66, 12,547.02 and 6,736.82 is: 10,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.66 : 12,547.02 = 6,736.82 : x
  2. Step 2: Convert to fraction form
    8,360.66/12,547.02 = 6,736.82/x
  3. Step 3: Cross multiply
    8,360.66x = 12,547.02 × 6,736.82
  4. Step 4: Simplify right side
    8,360.66x = 84,527,015.28
  5. Step 5: Solve for x
    x = 84,527,015.28/8,360.66
  6. Step 6: Final answer
    x = 10,110.09

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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.