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Finding the Fourth Proportional to 2,676.60, 3,693.78 and 1,497.71

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Solution

The fourth proportional to 2,676.60, 3,693.78 and 1,497.71 is: 2,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.60 : 3,693.78 = 1,497.71 : x
  2. Step 2: Convert to fraction form
    2,676.60/3,693.78 = 1,497.71/x
  3. Step 3: Cross multiply
    2,676.60x = 3,693.78 × 1,497.71
  4. Step 4: Simplify right side
    2,676.60x = 5,532,192.77
  5. Step 5: Solve for x
    x = 5,532,192.77/2,676.60
  6. Step 6: Final answer
    x = 2,066.87

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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.