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Finding the Fourth Proportional to 54,504.72, 75,216.03 and 30,631.34

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Solution

The fourth proportional to 54,504.72, 75,216.03 and 30,631.34 is: 42,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504.72 : 75,216.03 = 30,631.34 : x
  2. Step 2: Convert to fraction form
    54,504.72/75,216.03 = 30,631.34/x
  3. Step 3: Cross multiply
    54,504.72x = 75,216.03 × 30,631.34
  4. Step 4: Simplify right side
    54,504.72x = 2,303,967,412.30
  5. Step 5: Solve for x
    x = 2,303,967,412.30/54,504.72
  6. Step 6: Final answer
    x = 42,270.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.