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Finding the Fourth Proportional to 5,493.12, 7,580.39 and 2,975.13

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Solution

The fourth proportional to 5,493.12, 7,580.39 and 2,975.13 is: 4,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.12 : 7,580.39 = 2,975.13 : x
  2. Step 2: Convert to fraction form
    5,493.12/7,580.39 = 2,975.13/x
  3. Step 3: Cross multiply
    5,493.12x = 7,580.39 × 2,975.13
  4. Step 4: Simplify right side
    5,493.12x = 22,552,630.83
  5. Step 5: Solve for x
    x = 22,552,630.83/5,493.12
  6. Step 6: Final answer
    x = 4,105.62

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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.