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Finding the Fourth Proportional to 5,028.05, 7,542.03 and 1,518.05

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Solution

The fourth proportional to 5,028.05, 7,542.03 and 1,518.05 is: 2,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.05 : 7,542.03 = 1,518.05 : x
  2. Step 2: Convert to fraction form
    5,028.05/7,542.03 = 1,518.05/x
  3. Step 3: Cross multiply
    5,028.05x = 7,542.03 × 1,518.05
  4. Step 4: Simplify right side
    5,028.05x = 11,449,178.64
  5. Step 5: Solve for x
    x = 11,449,178.64/5,028.05
  6. Step 6: Final answer
    x = 2,277.06

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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.