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Finding the Fourth Proportional to 3,669.99, 5,064.51 and 2,076.62

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Solution

The fourth proportional to 3,669.99, 5,064.51 and 2,076.62 is: 2,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.99 : 5,064.51 = 2,076.62 : x
  2. Step 2: Convert to fraction form
    3,669.99/5,064.51 = 2,076.62/x
  3. Step 3: Cross multiply
    3,669.99x = 5,064.51 × 2,076.62
  4. Step 4: Simplify right side
    3,669.99x = 10,517,037.43
  5. Step 5: Solve for x
    x = 10,517,037.43/3,669.99
  6. Step 6: Final answer
    x = 2,865.69

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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.