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Finding the Fourth Proportional to 5,276.42, 7,899.44 and 3,499.48

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Solution

The fourth proportional to 5,276.42, 7,899.44 and 3,499.48 is: 5,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.42 : 7,899.44 = 3,499.48 : x
  2. Step 2: Convert to fraction form
    5,276.42/7,899.44 = 3,499.48/x
  3. Step 3: Cross multiply
    5,276.42x = 7,899.44 × 3,499.48
  4. Step 4: Simplify right side
    5,276.42x = 27,643,932.29
  5. Step 5: Solve for x
    x = 27,643,932.29/5,276.42
  6. Step 6: Final answer
    x = 5,239.15

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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.