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Finding the Fourth Proportional to 8,841.69, 12,201.32 and 4,808.47

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Solution

The fourth proportional to 8,841.69, 12,201.32 and 4,808.47 is: 6,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.69 : 12,201.32 = 4,808.47 : x
  2. Step 2: Convert to fraction form
    8,841.69/12,201.32 = 4,808.47/x
  3. Step 3: Cross multiply
    8,841.69x = 12,201.32 × 4,808.47
  4. Step 4: Simplify right side
    8,841.69x = 58,669,657.14
  5. Step 5: Solve for x
    x = 58,669,657.14/8,841.69
  6. Step 6: Final answer
    x = 6,635.57

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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.