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Finding the Fourth Proportional to 23,652.48, 32,640.24 and 12,897.96

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Solution

The fourth proportional to 23,652.48, 32,640.24 and 12,897.96 is: 17,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652.48 : 32,640.24 = 12,897.96 : x
  2. Step 2: Convert to fraction form
    23,652.48/32,640.24 = 12,897.96/x
  3. Step 3: Cross multiply
    23,652.48x = 32,640.24 × 12,897.96
  4. Step 4: Simplify right side
    23,652.48x = 420,992,509.91
  5. Step 5: Solve for x
    x = 420,992,509.91/23,652.48
  6. Step 6: Final answer
    x = 17,799.09

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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.