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Finding the Fourth Proportional to 39,647.54, 54,714.02 and 22,654.01

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Solution

The fourth proportional to 39,647.54, 54,714.02 and 22,654.01 is: 31,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.54 : 54,714.02 = 22,654.01 : x
  2. Step 2: Convert to fraction form
    39,647.54/54,714.02 = 22,654.01/x
  3. Step 3: Cross multiply
    39,647.54x = 54,714.02 × 22,654.01
  4. Step 4: Simplify right side
    39,647.54x = 1,239,491,569.38
  5. Step 5: Solve for x
    x = 1,239,491,569.38/39,647.54
  6. Step 6: Final answer
    x = 31,262.76

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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.