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Finding the Fourth Proportional to 18,616.48, 27,924.64 and 7,523.03

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Solution

The fourth proportional to 18,616.48, 27,924.64 and 7,523.03 is: 11,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.48 : 27,924.64 = 7,523.03 : x
  2. Step 2: Convert to fraction form
    18,616.48/27,924.64 = 7,523.03/x
  3. Step 3: Cross multiply
    18,616.48x = 27,924.64 × 7,523.03
  4. Step 4: Simplify right side
    18,616.48x = 210,077,955.46
  5. Step 5: Solve for x
    x = 210,077,955.46/18,616.48
  6. Step 6: Final answer
    x = 11,284.52

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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.