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Finding the Fourth Proportional to 3,477.98, 4,799.59 and 1,906.08

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Solution

The fourth proportional to 3,477.98, 4,799.59 and 1,906.08 is: 2,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.98 : 4,799.59 = 1,906.08 : x
  2. Step 2: Convert to fraction form
    3,477.98/4,799.59 = 1,906.08/x
  3. Step 3: Cross multiply
    3,477.98x = 4,799.59 × 1,906.08
  4. Step 4: Simplify right side
    3,477.98x = 9,148,368.98
  5. Step 5: Solve for x
    x = 9,148,368.98/3,477.98
  6. Step 6: Final answer
    x = 2,630.37

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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.