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Finding the Fourth Proportional to 3,008.76, 4,152.11 and 1,664.29

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Solution

The fourth proportional to 3,008.76, 4,152.11 and 1,664.29 is: 2,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.76 : 4,152.11 = 1,664.29 : x
  2. Step 2: Convert to fraction form
    3,008.76/4,152.11 = 1,664.29/x
  3. Step 3: Cross multiply
    3,008.76x = 4,152.11 × 1,664.29
  4. Step 4: Simplify right side
    3,008.76x = 6,910,315.15
  5. Step 5: Solve for x
    x = 6,910,315.15/3,008.76
  6. Step 6: Final answer
    x = 2,296.73

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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.