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Finding the Fourth Proportional to 12,648.96, 18,957.60 and 6,073.92

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Solution

The fourth proportional to 12,648.96, 18,957.60 and 6,073.92 is: 9,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.96 : 18,957.60 = 6,073.92 : x
  2. Step 2: Convert to fraction form
    12,648.96/18,957.60 = 6,073.92/x
  3. Step 3: Cross multiply
    12,648.96x = 18,957.60 × 6,073.92
  4. Step 4: Simplify right side
    12,648.96x = 115,146,945.79
  5. Step 5: Solve for x
    x = 115,146,945.79/12,648.96
  6. Step 6: Final answer
    x = 9,103.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.