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Finding the Fourth Proportional to 3,482.69, 5,224.81 and 1,728.65

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Solution

The fourth proportional to 3,482.69, 5,224.81 and 1,728.65 is: 2,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.69 : 5,224.81 = 1,728.65 : x
  2. Step 2: Convert to fraction form
    3,482.69/5,224.81 = 1,728.65/x
  3. Step 3: Cross multiply
    3,482.69x = 5,224.81 × 1,728.65
  4. Step 4: Simplify right side
    3,482.69x = 9,031,867.81
  5. Step 5: Solve for x
    x = 9,031,867.81/3,482.69
  6. Step 6: Final answer
    x = 2,593.36

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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.