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Finding the Fourth Proportional to 9,910.47, 14,812.37 and 8,651.05

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Solution

The fourth proportional to 9,910.47, 14,812.37 and 8,651.05 is: 12,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.47 : 14,812.37 = 8,651.05 : x
  2. Step 2: Convert to fraction form
    9,910.47/14,812.37 = 8,651.05/x
  3. Step 3: Cross multiply
    9,910.47x = 14,812.37 × 8,651.05
  4. Step 4: Simplify right side
    9,910.47x = 128,142,553.49
  5. Step 5: Solve for x
    x = 128,142,553.49/9,910.47
  6. Step 6: Final answer
    x = 12,930.02

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.