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Finding the Fourth Proportional to 12,060.66, 16,643.16 and 6,755.16

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Solution

The fourth proportional to 12,060.66, 16,643.16 and 6,755.16 is: 9,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.66 : 16,643.16 = 6,755.16 : x
  2. Step 2: Convert to fraction form
    12,060.66/16,643.16 = 6,755.16/x
  3. Step 3: Cross multiply
    12,060.66x = 16,643.16 × 6,755.16
  4. Step 4: Simplify right side
    12,060.66x = 112,427,208.71
  5. Step 5: Solve for x
    x = 112,427,208.71/12,060.66
  6. Step 6: Final answer
    x = 9,321.81

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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.