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Finding the Fourth Proportional to 18,507.51, 27,716.77 and 10,586.01

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Solution

The fourth proportional to 18,507.51, 27,716.77 and 10,586.01 is: 15,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.51 : 27,716.77 = 10,586.01 : x
  2. Step 2: Convert to fraction form
    18,507.51/27,716.77 = 10,586.01/x
  3. Step 3: Cross multiply
    18,507.51x = 27,716.77 × 10,586.01
  4. Step 4: Simplify right side
    18,507.51x = 293,410,004.39
  5. Step 5: Solve for x
    x = 293,410,004.39/18,507.51
  6. Step 6: Final answer
    x = 15,853.56

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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.