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Finding the Fourth Proportional to 18,424.05, 27,635.72 and 5,945.01

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Solution

The fourth proportional to 18,424.05, 27,635.72 and 5,945.01 is: 8,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.05 : 27,635.72 = 5,945.01 : x
  2. Step 2: Convert to fraction form
    18,424.05/27,635.72 = 5,945.01/x
  3. Step 3: Cross multiply
    18,424.05x = 27,635.72 × 5,945.01
  4. Step 4: Simplify right side
    18,424.05x = 164,294,602.03
  5. Step 5: Solve for x
    x = 164,294,602.03/18,424.05
  6. Step 6: Final answer
    x = 8,917.40

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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.