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Finding the Fourth Proportional to 39,305.01, 54,304.52 and 27,421.40

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Solution

The fourth proportional to 39,305.01, 54,304.52 and 27,421.40 is: 37,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.01 : 54,304.52 = 27,421.40 : x
  2. Step 2: Convert to fraction form
    39,305.01/54,304.52 = 27,421.40/x
  3. Step 3: Cross multiply
    39,305.01x = 54,304.52 × 27,421.40
  4. Step 4: Simplify right side
    39,305.01x = 1,489,105,556.10
  5. Step 5: Solve for x
    x = 1,489,105,556.10/39,305.01
  6. Step 6: Final answer
    x = 37,885.90

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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.