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Finding the Fourth Proportional to 3,094.94, 4,643.16 and 903.66

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Solution

The fourth proportional to 3,094.94, 4,643.16 and 903.66 is: 1,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.94 : 4,643.16 = 903.66 : x
  2. Step 2: Convert to fraction form
    3,094.94/4,643.16 = 903.66/x
  3. Step 3: Cross multiply
    3,094.94x = 4,643.16 × 903.66
  4. Step 4: Simplify right side
    3,094.94x = 4,195,837.97
  5. Step 5: Solve for x
    x = 4,195,837.97/3,094.94
  6. Step 6: Final answer
    x = 1,355.71

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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.