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Finding the Fourth Proportional to 3,776.37, 5,637.03 and 3,498.44

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Solution

The fourth proportional to 3,776.37, 5,637.03 and 3,498.44 is: 5,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.37 : 5,637.03 = 3,498.44 : x
  2. Step 2: Convert to fraction form
    3,776.37/5,637.03 = 3,498.44/x
  3. Step 3: Cross multiply
    3,776.37x = 5,637.03 × 3,498.44
  4. Step 4: Simplify right side
    3,776.37x = 19,720,783.05
  5. Step 5: Solve for x
    x = 19,720,783.05/3,776.37
  6. Step 6: Final answer
    x = 5,222.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.