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Finding the Fourth Proportional to 3,687.54, 5,088.77 and 2,008.94

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Solution

The fourth proportional to 3,687.54, 5,088.77 and 2,008.94 is: 2,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.54 : 5,088.77 = 2,008.94 : x
  2. Step 2: Convert to fraction form
    3,687.54/5,088.77 = 2,008.94/x
  3. Step 3: Cross multiply
    3,687.54x = 5,088.77 × 2,008.94
  4. Step 4: Simplify right side
    3,687.54x = 10,223,033.60
  5. Step 5: Solve for x
    x = 10,223,033.60/3,687.54
  6. Step 6: Final answer
    x = 2,772.32

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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.