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Finding the Fourth Proportional to 2,015.08, 3,022.62 and 554.24

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Solution

The fourth proportional to 2,015.08, 3,022.62 and 554.24 is: 831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.08 : 3,022.62 = 554.24 : x
  2. Step 2: Convert to fraction form
    2,015.08/3,022.62 = 554.24/x
  3. Step 3: Cross multiply
    2,015.08x = 3,022.62 × 554.24
  4. Step 4: Simplify right side
    2,015.08x = 1,675,262.39
  5. Step 5: Solve for x
    x = 1,675,262.39/2,015.08
  6. Step 6: Final answer
    x = 831.36

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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.