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Finding the Fourth Proportional to 2,335.76, 3,504.16 and 1,019.73

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Solution

The fourth proportional to 2,335.76, 3,504.16 and 1,019.73 is: 1,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.76 : 3,504.16 = 1,019.73 : x
  2. Step 2: Convert to fraction form
    2,335.76/3,504.16 = 1,019.73/x
  3. Step 3: Cross multiply
    2,335.76x = 3,504.16 × 1,019.73
  4. Step 4: Simplify right side
    2,335.76x = 3,573,297.08
  5. Step 5: Solve for x
    x = 3,573,297.08/2,335.76
  6. Step 6: Final answer
    x = 1,529.82

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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.