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Finding the Fourth Proportional to 12,202.06, 16,838.86 and 6,613.06

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Solution

The fourth proportional to 12,202.06, 16,838.86 and 6,613.06 is: 9,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.06 : 16,838.86 = 6,613.06 : x
  2. Step 2: Convert to fraction form
    12,202.06/16,838.86 = 6,613.06/x
  3. Step 3: Cross multiply
    12,202.06x = 16,838.86 × 6,613.06
  4. Step 4: Simplify right side
    12,202.06x = 111,356,391.51
  5. Step 5: Solve for x
    x = 111,356,391.51/12,202.06
  6. Step 6: Final answer
    x = 9,126.03

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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.