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Finding the Fourth Proportional to 3,619.44, 4,992.84 and 2,484.24

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Solution

The fourth proportional to 3,619.44, 4,992.84 and 2,484.24 is: 3,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.44 : 4,992.84 = 2,484.24 : x
  2. Step 2: Convert to fraction form
    3,619.44/4,992.84 = 2,484.24/x
  3. Step 3: Cross multiply
    3,619.44x = 4,992.84 × 2,484.24
  4. Step 4: Simplify right side
    3,619.44x = 12,403,412.84
  5. Step 5: Solve for x
    x = 12,403,412.84/3,619.44
  6. Step 6: Final answer
    x = 3,426.89

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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.