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Finding the Fourth Proportional to 3,002.99, 4,501.40 and 1,249.01

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Solution

The fourth proportional to 3,002.99, 4,501.40 and 1,249.01 is: 1,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.99 : 4,501.40 = 1,249.01 : x
  2. Step 2: Convert to fraction form
    3,002.99/4,501.40 = 1,249.01/x
  3. Step 3: Cross multiply
    3,002.99x = 4,501.40 × 1,249.01
  4. Step 4: Simplify right side
    3,002.99x = 5,622,293.61
  5. Step 5: Solve for x
    x = 5,622,293.61/3,002.99
  6. Step 6: Final answer
    x = 1,872.23

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Half scale
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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.