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Finding the Fourth Proportional to 3,503.93, 5,256.37 and 1,282.47

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Solution

The fourth proportional to 3,503.93, 5,256.37 and 1,282.47 is: 1,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.93 : 5,256.37 = 1,282.47 : x
  2. Step 2: Convert to fraction form
    3,503.93/5,256.37 = 1,282.47/x
  3. Step 3: Cross multiply
    3,503.93x = 5,256.37 × 1,282.47
  4. Step 4: Simplify right side
    3,503.93x = 6,741,115.12
  5. Step 5: Solve for x
    x = 6,741,115.12/3,503.93
  6. Step 6: Final answer
    x = 1,923.88

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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.