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Finding the Fourth Proportional to 8,696.91, 13,044.51 and 4,317.24

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Solution

The fourth proportional to 8,696.91, 13,044.51 and 4,317.24 is: 6,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.91 : 13,044.51 = 4,317.24 : x
  2. Step 2: Convert to fraction form
    8,696.91/13,044.51 = 4,317.24/x
  3. Step 3: Cross multiply
    8,696.91x = 13,044.51 × 4,317.24
  4. Step 4: Simplify right side
    8,696.91x = 56,316,280.35
  5. Step 5: Solve for x
    x = 56,316,280.35/8,696.91
  6. Step 6: Final answer
    x = 6,475.44

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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.