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Finding the Fourth Proportional to 3,499.36, 4,828.74 and 1,927.36

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Solution

The fourth proportional to 3,499.36, 4,828.74 and 1,927.36 is: 2,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.36 : 4,828.74 = 1,927.36 : x
  2. Step 2: Convert to fraction form
    3,499.36/4,828.74 = 1,927.36/x
  3. Step 3: Cross multiply
    3,499.36x = 4,828.74 × 1,927.36
  4. Step 4: Simplify right side
    3,499.36x = 9,306,720.33
  5. Step 5: Solve for x
    x = 9,306,720.33/3,499.36
  6. Step 6: Final answer
    x = 2,659.55

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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.