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Finding the Fourth Proportional to 9,043.10, 13,548.71 and 7,919.99

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Solution

The fourth proportional to 9,043.10, 13,548.71 and 7,919.99 is: 11,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.10 : 13,548.71 = 7,919.99 : x
  2. Step 2: Convert to fraction form
    9,043.10/13,548.71 = 7,919.99/x
  3. Step 3: Cross multiply
    9,043.10x = 13,548.71 × 7,919.99
  4. Step 4: Simplify right side
    9,043.10x = 107,305,540.37
  5. Step 5: Solve for x
    x = 107,305,540.37/9,043.10
  6. Step 6: Final answer
    x = 11,866.01

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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.