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Finding the Fourth Proportional to 2,907.52, 4,362.04 and 1,447.36

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Solution

The fourth proportional to 2,907.52, 4,362.04 and 1,447.36 is: 2,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.52 : 4,362.04 = 1,447.36 : x
  2. Step 2: Convert to fraction form
    2,907.52/4,362.04 = 1,447.36/x
  3. Step 3: Cross multiply
    2,907.52x = 4,362.04 × 1,447.36
  4. Step 4: Simplify right side
    2,907.52x = 6,313,442.21
  5. Step 5: Solve for x
    x = 6,313,442.21/2,907.52
  6. Step 6: Final answer
    x = 2,171.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.