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Finding the Fourth Proportional to 2,994.99, 4,137.12 and 2,715.54

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Solution

The fourth proportional to 2,994.99, 4,137.12 and 2,715.54 is: 3,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.99 : 4,137.12 = 2,715.54 : x
  2. Step 2: Convert to fraction form
    2,994.99/4,137.12 = 2,715.54/x
  3. Step 3: Cross multiply
    2,994.99x = 4,137.12 × 2,715.54
  4. Step 4: Simplify right side
    2,994.99x = 11,234,514.84
  5. Step 5: Solve for x
    x = 11,234,514.84/2,994.99
  6. Step 6: Final answer
    x = 3,751.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.