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Finding the Fourth Proportional to 3,512.76, 5,269.02 and 1,664.76

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Solution

The fourth proportional to 3,512.76, 5,269.02 and 1,664.76 is: 2,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.76 : 5,269.02 = 1,664.76 : x
  2. Step 2: Convert to fraction form
    3,512.76/5,269.02 = 1,664.76/x
  3. Step 3: Cross multiply
    3,512.76x = 5,269.02 × 1,664.76
  4. Step 4: Simplify right side
    3,512.76x = 8,771,653.74
  5. Step 5: Solve for x
    x = 8,771,653.74/3,512.76
  6. Step 6: Final answer
    x = 2,497.08

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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.