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Finding the Fourth Proportional to 9,892.77, 14,819.94 and 8,841.21

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Solution

The fourth proportional to 9,892.77, 14,819.94 and 8,841.21 is: 13,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.77 : 14,819.94 = 8,841.21 : x
  2. Step 2: Convert to fraction form
    9,892.77/14,819.94 = 8,841.21/x
  3. Step 3: Cross multiply
    9,892.77x = 14,819.94 × 8,841.21
  4. Step 4: Simplify right side
    9,892.77x = 131,026,201.73
  5. Step 5: Solve for x
    x = 131,026,201.73/9,892.77
  6. Step 6: Final answer
    x = 13,244.64

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1.5x scale

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.