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Finding the Fourth Proportional to 13,028.63, 17,994.35 and 8,829.59

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Solution

The fourth proportional to 13,028.63, 17,994.35 and 8,829.59 is: 12,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.63 : 17,994.35 = 8,829.59 : x
  2. Step 2: Convert to fraction form
    13,028.63/17,994.35 = 8,829.59/x
  3. Step 3: Cross multiply
    13,028.63x = 17,994.35 × 8,829.59
  4. Step 4: Simplify right side
    13,028.63x = 158,882,664.92
  5. Step 5: Solve for x
    x = 158,882,664.92/13,028.63
  6. Step 6: Final answer
    x = 12,194.89

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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.