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Finding the Fourth Proportional to 18,313.96, 27,472.01 and 7,069.36

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Solution

The fourth proportional to 18,313.96, 27,472.01 and 7,069.36 is: 10,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.96 : 27,472.01 = 7,069.36 : x
  2. Step 2: Convert to fraction form
    18,313.96/27,472.01 = 7,069.36/x
  3. Step 3: Cross multiply
    18,313.96x = 27,472.01 × 7,069.36
  4. Step 4: Simplify right side
    18,313.96x = 194,209,424.59
  5. Step 5: Solve for x
    x = 194,209,424.59/18,313.96
  6. Step 6: Final answer
    x = 10,604.45

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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.