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Finding the Fourth Proportional to 39,408, 54,383.04 and 26,854.62

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Solution

The fourth proportional to 39,408, 54,383.04 and 26,854.62 is: 37,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408 : 54,383.04 = 26,854.62 : x
  2. Step 2: Convert to fraction form
    39,408/54,383.04 = 26,854.62/x
  3. Step 3: Cross multiply
    39,408x = 54,383.04 × 26,854.62
  4. Step 4: Simplify right side
    39,408x = 1,460,435,873.64
  5. Step 5: Solve for x
    x = 1,460,435,873.64/39,408
  6. Step 6: Final answer
    x = 37,059.38

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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.