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Finding the Fourth Proportional to 12,796.15, 17,675.91 and 11,602.47

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Solution

The fourth proportional to 12,796.15, 17,675.91 and 11,602.47 is: 16,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.15 : 17,675.91 = 11,602.47 : x
  2. Step 2: Convert to fraction form
    12,796.15/17,675.91 = 11,602.47/x
  3. Step 3: Cross multiply
    12,796.15x = 17,675.91 × 11,602.47
  4. Step 4: Simplify right side
    12,796.15x = 205,084,301.60
  5. Step 5: Solve for x
    x = 205,084,301.60/12,796.15
  6. Step 6: Final answer
    x = 16,027.03

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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.