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Finding the Fourth Proportional to 11,799.63, 16,301.39 and 8,810.30

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Solution

The fourth proportional to 11,799.63, 16,301.39 and 8,810.30 is: 12,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.63 : 16,301.39 = 8,810.30 : x
  2. Step 2: Convert to fraction form
    11,799.63/16,301.39 = 8,810.30/x
  3. Step 3: Cross multiply
    11,799.63x = 16,301.39 × 8,810.30
  4. Step 4: Simplify right side
    11,799.63x = 143,620,133.02
  5. Step 5: Solve for x
    x = 143,620,133.02/11,799.63
  6. Step 6: Final answer
    x = 12,171.58

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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.