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Finding the Fourth Proportional to 12,177.70, 16,803.54 and 6,799.48

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Solution

The fourth proportional to 12,177.70, 16,803.54 and 6,799.48 is: 9,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.70 : 16,803.54 = 6,799.48 : x
  2. Step 2: Convert to fraction form
    12,177.70/16,803.54 = 6,799.48/x
  3. Step 3: Cross multiply
    12,177.70x = 16,803.54 × 6,799.48
  4. Step 4: Simplify right side
    12,177.70x = 114,255,334.16
  5. Step 5: Solve for x
    x = 114,255,334.16/12,177.70
  6. Step 6: Final answer
    x = 9,382.34

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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.