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Finding the Fourth Proportional to 8,992.84, 13,480.98 and 6,072.16

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Solution

The fourth proportional to 8,992.84, 13,480.98 and 6,072.16 is: 9,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.84 : 13,480.98 = 6,072.16 : x
  2. Step 2: Convert to fraction form
    8,992.84/13,480.98 = 6,072.16/x
  3. Step 3: Cross multiply
    8,992.84x = 13,480.98 × 6,072.16
  4. Step 4: Simplify right side
    8,992.84x = 81,858,667.52
  5. Step 5: Solve for x
    x = 81,858,667.52/8,992.84
  6. Step 6: Final answer
    x = 9,102.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.