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Finding the Fourth Proportional to 3,699.99, 5,547.24 and 2,238.80

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Solution

The fourth proportional to 3,699.99, 5,547.24 and 2,238.80 is: 3,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.99 : 5,547.24 = 2,238.80 : x
  2. Step 2: Convert to fraction form
    3,699.99/5,547.24 = 2,238.80/x
  3. Step 3: Cross multiply
    3,699.99x = 5,547.24 × 2,238.80
  4. Step 4: Simplify right side
    3,699.99x = 12,419,133.18
  5. Step 5: Solve for x
    x = 12,419,133.18/3,699.99
  6. Step 6: Final answer
    x = 3,356.53

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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.