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Finding the Fourth Proportional to 4,907.75, 7,362.35 and 2,932.19

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Solution

The fourth proportional to 4,907.75, 7,362.35 and 2,932.19 is: 4,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.75 : 7,362.35 = 2,932.19 : x
  2. Step 2: Convert to fraction form
    4,907.75/7,362.35 = 2,932.19/x
  3. Step 3: Cross multiply
    4,907.75x = 7,362.35 × 2,932.19
  4. Step 4: Simplify right side
    4,907.75x = 21,587,809.05
  5. Step 5: Solve for x
    x = 21,587,809.05/4,907.75
  6. Step 6: Final answer
    x = 4,398.72

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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.