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Finding the Fourth Proportional to 1,749.17, 2,413.85 and 963.17

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Solution

The fourth proportional to 1,749.17, 2,413.85 and 963.17 is: 1,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.17 : 2,413.85 = 963.17 : x
  2. Step 2: Convert to fraction form
    1,749.17/2,413.85 = 963.17/x
  3. Step 3: Cross multiply
    1,749.17x = 2,413.85 × 963.17
  4. Step 4: Simplify right side
    1,749.17x = 2,324,943.09
  5. Step 5: Solve for x
    x = 2,324,943.09/1,749.17
  6. Step 6: Final answer
    x = 1,329.17

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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.