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Finding the Fourth Proportional to 8,602.65, 11,841.39 and 7,537.89

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Solution

The fourth proportional to 8,602.65, 11,841.39 and 7,537.89 is: 10,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.65 : 11,841.39 = 7,537.89 : x
  2. Step 2: Convert to fraction form
    8,602.65/11,841.39 = 7,537.89/x
  3. Step 3: Cross multiply
    8,602.65x = 11,841.39 × 7,537.89
  4. Step 4: Simplify right side
    8,602.65x = 89,259,095.27
  5. Step 5: Solve for x
    x = 89,259,095.27/8,602.65
  6. Step 6: Final answer
    x = 10,375.77

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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.