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Finding the Fourth Proportional to 11,501.86, 17,249.14 and 4,926.28

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Solution

The fourth proportional to 11,501.86, 17,249.14 and 4,926.28 is: 7,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.86 : 17,249.14 = 4,926.28 : x
  2. Step 2: Convert to fraction form
    11,501.86/17,249.14 = 4,926.28/x
  3. Step 3: Cross multiply
    11,501.86x = 17,249.14 × 4,926.28
  4. Step 4: Simplify right side
    11,501.86x = 84,974,037.96
  5. Step 5: Solve for x
    x = 84,974,037.96/11,501.86
  6. Step 6: Final answer
    x = 7,387.85

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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.