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Finding the Fourth Proportional to 9,302.60, 13,936.08 and 8,989.94

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Solution

The fourth proportional to 9,302.60, 13,936.08 and 8,989.94 is: 13,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.60 : 13,936.08 = 8,989.94 : x
  2. Step 2: Convert to fraction form
    9,302.60/13,936.08 = 8,989.94/x
  3. Step 3: Cross multiply
    9,302.60x = 13,936.08 × 8,989.94
  4. Step 4: Simplify right side
    9,302.60x = 125,284,523.04
  5. Step 5: Solve for x
    x = 125,284,523.04/9,302.60
  6. Step 6: Final answer
    x = 13,467.69

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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.