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Finding the Fourth Proportional to 1,094.84, 1,633.02 and 919.46

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Solution

The fourth proportional to 1,094.84, 1,633.02 and 919.46 is: 1,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.84 : 1,633.02 = 919.46 : x
  2. Step 2: Convert to fraction form
    1,094.84/1,633.02 = 919.46/x
  3. Step 3: Cross multiply
    1,094.84x = 1,633.02 × 919.46
  4. Step 4: Simplify right side
    1,094.84x = 1,501,496.57
  5. Step 5: Solve for x
    x = 1,501,496.57/1,094.84
  6. Step 6: Final answer
    x = 1,371.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.