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Finding the Fourth Proportional to 18,409.66, 27,616.01 and 6,558.84

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Solution

The fourth proportional to 18,409.66, 27,616.01 and 6,558.84 is: 9,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.66 : 27,616.01 = 6,558.84 : x
  2. Step 2: Convert to fraction form
    18,409.66/27,616.01 = 6,558.84/x
  3. Step 3: Cross multiply
    18,409.66x = 27,616.01 × 6,558.84
  4. Step 4: Simplify right side
    18,409.66x = 181,128,958.23
  5. Step 5: Solve for x
    x = 181,128,958.23/18,409.66
  6. Step 6: Final answer
    x = 9,838.80

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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.