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Finding the Fourth Proportional to 5,774.72, 7,967.04 and 3,289.28

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Solution

The fourth proportional to 5,774.72, 7,967.04 and 3,289.28 is: 4,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.72 : 7,967.04 = 3,289.28 : x
  2. Step 2: Convert to fraction form
    5,774.72/7,967.04 = 3,289.28/x
  3. Step 3: Cross multiply
    5,774.72x = 7,967.04 × 3,289.28
  4. Step 4: Simplify right side
    5,774.72x = 26,205,825.33
  5. Step 5: Solve for x
    x = 26,205,825.33/5,774.72
  6. Step 6: Final answer
    x = 4,538.03

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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.