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Finding the Fourth Proportional to 8,443.17, 11,651.49 and 4,717.17

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Solution

The fourth proportional to 8,443.17, 11,651.49 and 4,717.17 is: 6,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.17 : 11,651.49 = 4,717.17 : x
  2. Step 2: Convert to fraction form
    8,443.17/11,651.49 = 4,717.17/x
  3. Step 3: Cross multiply
    8,443.17x = 11,651.49 × 4,717.17
  4. Step 4: Simplify right side
    8,443.17x = 54,962,059.08
  5. Step 5: Solve for x
    x = 54,962,059.08/8,443.17
  6. Step 6: Final answer
    x = 6,509.65

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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.