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Finding the Fourth Proportional to 3,477.64, 4,799.82 and 2,061.64

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Solution

The fourth proportional to 3,477.64, 4,799.82 and 2,061.64 is: 2,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.64 : 4,799.82 = 2,061.64 : x
  2. Step 2: Convert to fraction form
    3,477.64/4,799.82 = 2,061.64/x
  3. Step 3: Cross multiply
    3,477.64x = 4,799.82 × 2,061.64
  4. Step 4: Simplify right side
    3,477.64x = 9,895,500.90
  5. Step 5: Solve for x
    x = 9,895,500.90/3,477.64
  6. Step 6: Final answer
    x = 2,845.46

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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.