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Finding the Fourth Proportional to 8,696.68, 13,044.79 and 4,751.77

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Solution

The fourth proportional to 8,696.68, 13,044.79 and 4,751.77 is: 7,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.68 : 13,044.79 = 4,751.77 : x
  2. Step 2: Convert to fraction form
    8,696.68/13,044.79 = 4,751.77/x
  3. Step 3: Cross multiply
    8,696.68x = 13,044.79 × 4,751.77
  4. Step 4: Simplify right side
    8,696.68x = 61,985,841.78
  5. Step 5: Solve for x
    x = 61,985,841.78/8,696.68
  6. Step 6: Final answer
    x = 7,127.53

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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.