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Finding the Fourth Proportional to 3,747.63, 5,646.72 and 3,349.65

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Solution

The fourth proportional to 3,747.63, 5,646.72 and 3,349.65 is: 5,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.63 : 5,646.72 = 3,349.65 : x
  2. Step 2: Convert to fraction form
    3,747.63/5,646.72 = 3,349.65/x
  3. Step 3: Cross multiply
    3,747.63x = 5,646.72 × 3,349.65
  4. Step 4: Simplify right side
    3,747.63x = 18,914,535.65
  5. Step 5: Solve for x
    x = 18,914,535.65/3,747.63
  6. Step 6: Final answer
    x = 5,047.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.