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Finding the Fourth Proportional to 2,616.98, 3,607.54 and 1,731.24

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Solution

The fourth proportional to 2,616.98, 3,607.54 and 1,731.24 is: 2,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.98 : 3,607.54 = 1,731.24 : x
  2. Step 2: Convert to fraction form
    2,616.98/3,607.54 = 1,731.24/x
  3. Step 3: Cross multiply
    2,616.98x = 3,607.54 × 1,731.24
  4. Step 4: Simplify right side
    2,616.98x = 6,245,513.22
  5. Step 5: Solve for x
    x = 6,245,513.22/2,616.98
  6. Step 6: Final answer
    x = 2,386.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.