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Finding the Fourth Proportional to 3,008.45, 4,151.54 and 1,749.45

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Solution

The fourth proportional to 3,008.45, 4,151.54 and 1,749.45 is: 2,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.45 : 4,151.54 = 1,749.45 : x
  2. Step 2: Convert to fraction form
    3,008.45/4,151.54 = 1,749.45/x
  3. Step 3: Cross multiply
    3,008.45x = 4,151.54 × 1,749.45
  4. Step 4: Simplify right side
    3,008.45x = 7,262,911.65
  5. Step 5: Solve for x
    x = 7,262,911.65/3,008.45
  6. Step 6: Final answer
    x = 2,414.17

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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.