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Finding the Fourth Proportional to 13,323.21, 19,968.04 and 7,067.76

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Solution

The fourth proportional to 13,323.21, 19,968.04 and 7,067.76 is: 10,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.21 : 19,968.04 = 7,067.76 : x
  2. Step 2: Convert to fraction form
    13,323.21/19,968.04 = 7,067.76/x
  3. Step 3: Cross multiply
    13,323.21x = 19,968.04 × 7,067.76
  4. Step 4: Simplify right side
    13,323.21x = 141,129,314.39
  5. Step 5: Solve for x
    x = 141,129,314.39/13,323.21
  6. Step 6: Final answer
    x = 10,592.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.