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Finding the Fourth Proportional to 7,249.68, 9,998.13 and 4,895.01

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Solution

The fourth proportional to 7,249.68, 9,998.13 and 4,895.01 is: 6,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.68 : 9,998.13 = 4,895.01 : x
  2. Step 2: Convert to fraction form
    7,249.68/9,998.13 = 4,895.01/x
  3. Step 3: Cross multiply
    7,249.68x = 9,998.13 × 4,895.01
  4. Step 4: Simplify right side
    7,249.68x = 48,940,946.33
  5. Step 5: Solve for x
    x = 48,940,946.33/7,249.68
  6. Step 6: Final answer
    x = 6,750.77

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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.