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Finding the Fourth Proportional to 1,498.67, 2,249.16 and 1,039.67

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Solution

The fourth proportional to 1,498.67, 2,249.16 and 1,039.67 is: 1,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.67 : 2,249.16 = 1,039.67 : x
  2. Step 2: Convert to fraction form
    1,498.67/2,249.16 = 1,039.67/x
  3. Step 3: Cross multiply
    1,498.67x = 2,249.16 × 1,039.67
  4. Step 4: Simplify right side
    1,498.67x = 2,338,372.93
  5. Step 5: Solve for x
    x = 2,338,372.93/1,498.67
  6. Step 6: Final answer
    x = 1,560.30

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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.