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Finding the Fourth Proportional to 4,112.49, 6,166.49 and 1,479.63

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Solution

The fourth proportional to 4,112.49, 6,166.49 and 1,479.63 is: 2,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.49 : 6,166.49 = 1,479.63 : x
  2. Step 2: Convert to fraction form
    4,112.49/6,166.49 = 1,479.63/x
  3. Step 3: Cross multiply
    4,112.49x = 6,166.49 × 1,479.63
  4. Step 4: Simplify right side
    4,112.49x = 9,124,116.20
  5. Step 5: Solve for x
    x = 9,124,116.20/4,112.49
  6. Step 6: Final answer
    x = 2,218.64

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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.