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Finding the Fourth Proportional to 2,366.36, 3,548.94 and 722.48

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Solution

The fourth proportional to 2,366.36, 3,548.94 and 722.48 is: 1,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.36 : 3,548.94 = 722.48 : x
  2. Step 2: Convert to fraction form
    2,366.36/3,548.94 = 722.48/x
  3. Step 3: Cross multiply
    2,366.36x = 3,548.94 × 722.48
  4. Step 4: Simplify right side
    2,366.36x = 2,564,038.17
  5. Step 5: Solve for x
    x = 2,564,038.17/2,366.36
  6. Step 6: Final answer
    x = 1,083.54

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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.