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Finding the Fourth Proportional to 11,908.10, 16,433.07 and 6,602.60

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Solution

The fourth proportional to 11,908.10, 16,433.07 and 6,602.60 is: 9,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.10 : 16,433.07 = 6,602.60 : x
  2. Step 2: Convert to fraction form
    11,908.10/16,433.07 = 6,602.60/x
  3. Step 3: Cross multiply
    11,908.10x = 16,433.07 × 6,602.60
  4. Step 4: Simplify right side
    11,908.10x = 108,500,987.98
  5. Step 5: Solve for x
    x = 108,500,987.98/11,908.10
  6. Step 6: Final answer
    x = 9,111.53

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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.