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Finding the Fourth Proportional to 12,047.11, 16,625.81 and 6,741.61

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Solution

The fourth proportional to 12,047.11, 16,625.81 and 6,741.61 is: 9,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.11 : 16,625.81 = 6,741.61 : x
  2. Step 2: Convert to fraction form
    12,047.11/16,625.81 = 6,741.61/x
  3. Step 3: Cross multiply
    12,047.11x = 16,625.81 × 6,741.61
  4. Step 4: Simplify right side
    12,047.11x = 112,084,726.95
  5. Step 5: Solve for x
    x = 112,084,726.95/12,047.11
  6. Step 6: Final answer
    x = 9,303.87

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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.