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Finding the Fourth Proportional to 9,908.36, 13,673.11 and 5,931.66

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Solution

The fourth proportional to 9,908.36, 13,673.11 and 5,931.66 is: 8,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.36 : 13,673.11 = 5,931.66 : x
  2. Step 2: Convert to fraction form
    9,908.36/13,673.11 = 5,931.66/x
  3. Step 3: Cross multiply
    9,908.36x = 13,673.11 × 5,931.66
  4. Step 4: Simplify right side
    9,908.36x = 81,104,210.00
  5. Step 5: Solve for x
    x = 81,104,210.00/9,908.36
  6. Step 6: Final answer
    x = 8,185.44

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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.