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Finding the Fourth Proportional to 5,200.55, 7,794.02 and 4,540.76

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Solution

The fourth proportional to 5,200.55, 7,794.02 and 4,540.76 is: 6,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.55 : 7,794.02 = 4,540.76 : x
  2. Step 2: Convert to fraction form
    5,200.55/7,794.02 = 4,540.76/x
  3. Step 3: Cross multiply
    5,200.55x = 7,794.02 × 4,540.76
  4. Step 4: Simplify right side
    5,200.55x = 35,390,712.58
  5. Step 5: Solve for x
    x = 35,390,712.58/5,200.55
  6. Step 6: Final answer
    x = 6,805.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.