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Finding the Fourth Proportional to 11,571.51, 15,954.17 and 9,444.88

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Solution

The fourth proportional to 11,571.51, 15,954.17 and 9,444.88 is: 13,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.51 : 15,954.17 = 9,444.88 : x
  2. Step 2: Convert to fraction form
    11,571.51/15,954.17 = 9,444.88/x
  3. Step 3: Cross multiply
    11,571.51x = 15,954.17 × 9,444.88
  4. Step 4: Simplify right side
    11,571.51x = 150,685,149.00
  5. Step 5: Solve for x
    x = 150,685,149.00/11,571.51
  6. Step 6: Final answer
    x = 13,022.08

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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.