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Finding the Fourth Proportional to 5,388.79, 8,069.10 and 5,060.33

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Solution

The fourth proportional to 5,388.79, 8,069.10 and 5,060.33 is: 7,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.79 : 8,069.10 = 5,060.33 : x
  2. Step 2: Convert to fraction form
    5,388.79/8,069.10 = 5,060.33/x
  3. Step 3: Cross multiply
    5,388.79x = 8,069.10 × 5,060.33
  4. Step 4: Simplify right side
    5,388.79x = 40,832,308.80
  5. Step 5: Solve for x
    x = 40,832,308.80/5,388.79
  6. Step 6: Final answer
    x = 7,577.27

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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.