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Finding the Fourth Proportional to 3,600.34, 4,968.48 and 2,028.40

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Solution

The fourth proportional to 3,600.34, 4,968.48 and 2,028.40 is: 2,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.34 : 4,968.48 = 2,028.40 : x
  2. Step 2: Convert to fraction form
    3,600.34/4,968.48 = 2,028.40/x
  3. Step 3: Cross multiply
    3,600.34x = 4,968.48 × 2,028.40
  4. Step 4: Simplify right side
    3,600.34x = 10,078,064.83
  5. Step 5: Solve for x
    x = 10,078,064.83/3,600.34
  6. Step 6: Final answer
    x = 2,799.20

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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.