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Finding the Fourth Proportional to 12,094.65, 16,691.67 and 6,717.60

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Solution

The fourth proportional to 12,094.65, 16,691.67 and 6,717.60 is: 9,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.65 : 16,691.67 = 6,717.60 : x
  2. Step 2: Convert to fraction form
    12,094.65/16,691.67 = 6,717.60/x
  3. Step 3: Cross multiply
    12,094.65x = 16,691.67 × 6,717.60
  4. Step 4: Simplify right side
    12,094.65x = 112,127,962.39
  5. Step 5: Solve for x
    x = 112,127,962.39/12,094.65
  6. Step 6: Final answer
    x = 9,270.87

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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.