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Finding the Fourth Proportional to 3,259.53, 4,497.99 and 1,914.96

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Solution

The fourth proportional to 3,259.53, 4,497.99 and 1,914.96 is: 2,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.53 : 4,497.99 = 1,914.96 : x
  2. Step 2: Convert to fraction form
    3,259.53/4,497.99 = 1,914.96/x
  3. Step 3: Cross multiply
    3,259.53x = 4,497.99 × 1,914.96
  4. Step 4: Simplify right side
    3,259.53x = 8,613,470.93
  5. Step 5: Solve for x
    x = 8,613,470.93/3,259.53
  6. Step 6: Final answer
    x = 2,642.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.