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Finding the Fourth Proportional to 9,394.83, 12,963.92 and 5,617.24

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Solution

The fourth proportional to 9,394.83, 12,963.92 and 5,617.24 is: 7,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.83 : 12,963.92 = 5,617.24 : x
  2. Step 2: Convert to fraction form
    9,394.83/12,963.92 = 5,617.24/x
  3. Step 3: Cross multiply
    9,394.83x = 12,963.92 × 5,617.24
  4. Step 4: Simplify right side
    9,394.83x = 72,821,431.61
  5. Step 5: Solve for x
    x = 72,821,431.61/9,394.83
  6. Step 6: Final answer
    x = 7,751.22

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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.