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Finding the Fourth Proportional to 2,031.03, 3,048.03 and 936.15

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Solution

The fourth proportional to 2,031.03, 3,048.03 and 936.15 is: 1,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.03 : 3,048.03 = 936.15 : x
  2. Step 2: Convert to fraction form
    2,031.03/3,048.03 = 936.15/x
  3. Step 3: Cross multiply
    2,031.03x = 3,048.03 × 936.15
  4. Step 4: Simplify right side
    2,031.03x = 2,853,413.28
  5. Step 5: Solve for x
    x = 2,853,413.28/2,031.03
  6. Step 6: Final answer
    x = 1,404.91

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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.