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Finding the Fourth Proportional to 1,746.14, 2,616.14 and 922.60

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Solution

The fourth proportional to 1,746.14, 2,616.14 and 922.60 is: 1,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.14 : 2,616.14 = 922.60 : x
  2. Step 2: Convert to fraction form
    1,746.14/2,616.14 = 922.60/x
  3. Step 3: Cross multiply
    1,746.14x = 2,616.14 × 922.60
  4. Step 4: Simplify right side
    1,746.14x = 2,413,639.61
  5. Step 5: Solve for x
    x = 2,413,639.61/1,746.14
  6. Step 6: Final answer
    x = 1,382.27

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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.