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Finding the Fourth Proportional to 11,800.72, 17,701.08 and 5,225.14

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Solution

The fourth proportional to 11,800.72, 17,701.08 and 5,225.14 is: 7,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.72 : 17,701.08 = 5,225.14 : x
  2. Step 2: Convert to fraction form
    11,800.72/17,701.08 = 5,225.14/x
  3. Step 3: Cross multiply
    11,800.72x = 17,701.08 × 5,225.14
  4. Step 4: Simplify right side
    11,800.72x = 92,490,621.15
  5. Step 5: Solve for x
    x = 92,490,621.15/11,800.72
  6. Step 6: Final answer
    x = 7,837.71

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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.