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Finding the Fourth Proportional to 7,249.84, 10,875.84 and 3,354.64

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Solution

The fourth proportional to 7,249.84, 10,875.84 and 3,354.64 is: 5,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.84 : 10,875.84 = 3,354.64 : x
  2. Step 2: Convert to fraction form
    7,249.84/10,875.84 = 3,354.64/x
  3. Step 3: Cross multiply
    7,249.84x = 10,875.84 × 3,354.64
  4. Step 4: Simplify right side
    7,249.84x = 36,484,456.75
  5. Step 5: Solve for x
    x = 36,484,456.75/7,249.84
  6. Step 6: Final answer
    x = 5,032.45

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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.