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Finding the Fourth Proportional to 39,495.08, 54,494.43 and 22,728.08

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Solution

The fourth proportional to 39,495.08, 54,494.43 and 22,728.08 is: 31,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.08 : 54,494.43 = 22,728.08 : x
  2. Step 2: Convert to fraction form
    39,495.08/54,494.43 = 22,728.08/x
  3. Step 3: Cross multiply
    39,495.08x = 54,494.43 × 22,728.08
  4. Step 4: Simplify right side
    39,495.08x = 1,238,553,764.59
  5. Step 5: Solve for x
    x = 1,238,553,764.59/39,495.08
  6. Step 6: Final answer
    x = 31,359.70

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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.