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Finding the Fourth Proportional to 10,850.54, 14,971.05 and 6,313.97

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Solution

The fourth proportional to 10,850.54, 14,971.05 and 6,313.97 is: 8,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.54 : 14,971.05 = 6,313.97 : x
  2. Step 2: Convert to fraction form
    10,850.54/14,971.05 = 6,313.97/x
  3. Step 3: Cross multiply
    10,850.54x = 14,971.05 × 6,313.97
  4. Step 4: Simplify right side
    10,850.54x = 94,526,654.14
  5. Step 5: Solve for x
    x = 94,526,654.14/10,850.54
  6. Step 6: Final answer
    x = 8,711.70

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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.