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Finding the Fourth Proportional to 9,960.84, 13,745.34 and 5,981.04

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Solution

The fourth proportional to 9,960.84, 13,745.34 and 5,981.04 is: 8,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.84 : 13,745.34 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    9,960.84/13,745.34 = 5,981.04/x
  3. Step 3: Cross multiply
    9,960.84x = 13,745.34 × 5,981.04
  4. Step 4: Simplify right side
    9,960.84x = 82,211,428.35
  5. Step 5: Solve for x
    x = 82,211,428.35/9,960.84
  6. Step 6: Final answer
    x = 8,253.46

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Similar ratio
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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.