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Finding the Fourth Proportional to 5,783.25, 7,980.89 and 3,299.25

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Solution

The fourth proportional to 5,783.25, 7,980.89 and 3,299.25 is: 4,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.25 : 7,980.89 = 3,299.25 : x
  2. Step 2: Convert to fraction form
    5,783.25/7,980.89 = 3,299.25/x
  3. Step 3: Cross multiply
    5,783.25x = 7,980.89 × 3,299.25
  4. Step 4: Simplify right side
    5,783.25x = 26,330,934.84
  5. Step 5: Solve for x
    x = 26,330,934.84/5,783.25
  6. Step 6: Final answer
    x = 4,552.97

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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.