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Finding the Fourth Proportional to 18,484.64, 27,727.08 and 7,392.26

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Solution

The fourth proportional to 18,484.64, 27,727.08 and 7,392.26 is: 11,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.64 : 27,727.08 = 7,392.26 : x
  2. Step 2: Convert to fraction form
    18,484.64/27,727.08 = 7,392.26/x
  3. Step 3: Cross multiply
    18,484.64x = 27,727.08 × 7,392.26
  4. Step 4: Simplify right side
    18,484.64x = 204,965,784.40
  5. Step 5: Solve for x
    x = 204,965,784.40/18,484.64
  6. Step 6: Final answer
    x = 11,088.44

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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.