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Finding the Fourth Proportional to 3,293.70, 4,932.72 and 1,904.16

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Solution

The fourth proportional to 3,293.70, 4,932.72 and 1,904.16 is: 2,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.70 : 4,932.72 = 1,904.16 : x
  2. Step 2: Convert to fraction form
    3,293.70/4,932.72 = 1,904.16/x
  3. Step 3: Cross multiply
    3,293.70x = 4,932.72 × 1,904.16
  4. Step 4: Simplify right side
    3,293.70x = 9,392,688.12
  5. Step 5: Solve for x
    x = 9,392,688.12/3,293.70
  6. Step 6: Final answer
    x = 2,851.71

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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.