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Finding the Fourth Proportional to 7,896.27, 11,844.51 and 7,655.70

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Solution

The fourth proportional to 7,896.27, 11,844.51 and 7,655.70 is: 11,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.27 : 11,844.51 = 7,655.70 : x
  2. Step 2: Convert to fraction form
    7,896.27/11,844.51 = 7,655.70/x
  3. Step 3: Cross multiply
    7,896.27x = 11,844.51 × 7,655.70
  4. Step 4: Simplify right side
    7,896.27x = 90,678,015.21
  5. Step 5: Solve for x
    x = 90,678,015.21/7,896.27
  6. Step 6: Final answer
    x = 11,483.65

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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.