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Finding the Fourth Proportional to 5,496.13, 7,584.53 and 2,978.13

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Solution

The fourth proportional to 5,496.13, 7,584.53 and 2,978.13 is: 4,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.13 : 7,584.53 = 2,978.13 : x
  2. Step 2: Convert to fraction form
    5,496.13/7,584.53 = 2,978.13/x
  3. Step 3: Cross multiply
    5,496.13x = 7,584.53 × 2,978.13
  4. Step 4: Simplify right side
    5,496.13x = 22,587,701.44
  5. Step 5: Solve for x
    x = 22,587,701.44/5,496.13
  6. Step 6: Final answer
    x = 4,109.75

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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.