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Finding the Fourth Proportional to 11,984.44, 16,548.72 and 7,515.68

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Solution

The fourth proportional to 11,984.44, 16,548.72 and 7,515.68 is: 10,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.44 : 16,548.72 = 7,515.68 : x
  2. Step 2: Convert to fraction form
    11,984.44/16,548.72 = 7,515.68/x
  3. Step 3: Cross multiply
    11,984.44x = 16,548.72 × 7,515.68
  4. Step 4: Simplify right side
    11,984.44x = 124,374,883.93
  5. Step 5: Solve for x
    x = 124,374,883.93/11,984.44
  6. Step 6: Final answer
    x = 10,378.03

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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.