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Finding the Fourth Proportional to 3,477.94, 4,799.56 and 1,906.04

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Solution

The fourth proportional to 3,477.94, 4,799.56 and 1,906.04 is: 2,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.94 : 4,799.56 = 1,906.04 : x
  2. Step 2: Convert to fraction form
    3,477.94/4,799.56 = 1,906.04/x
  3. Step 3: Cross multiply
    3,477.94x = 4,799.56 × 1,906.04
  4. Step 4: Simplify right side
    3,477.94x = 9,148,153.34
  5. Step 5: Solve for x
    x = 9,148,153.34/3,477.94
  6. Step 6: Final answer
    x = 2,630.34

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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.