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Finding the Fourth Proportional to 1,749.01, 2,413.65 and 963.06

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Solution

The fourth proportional to 1,749.01, 2,413.65 and 963.06 is: 1,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.01 : 2,413.65 = 963.06 : x
  2. Step 2: Convert to fraction form
    1,749.01/2,413.65 = 963.06/x
  3. Step 3: Cross multiply
    1,749.01x = 2,413.65 × 963.06
  4. Step 4: Simplify right side
    1,749.01x = 2,324,489.77
  5. Step 5: Solve for x
    x = 2,324,489.77/1,749.01
  6. Step 6: Final answer
    x = 1,329.03

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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.