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Finding the Fourth Proportional to 3,828.51, 5,709.51 and 3,337.65

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Solution

The fourth proportional to 3,828.51, 5,709.51 and 3,337.65 is: 4,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.51 : 5,709.51 = 3,337.65 : x
  2. Step 2: Convert to fraction form
    3,828.51/5,709.51 = 3,337.65/x
  3. Step 3: Cross multiply
    3,828.51x = 5,709.51 × 3,337.65
  4. Step 4: Simplify right side
    3,828.51x = 19,056,346.05
  5. Step 5: Solve for x
    x = 19,056,346.05/3,828.51
  6. Step 6: Final answer
    x = 4,977.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.