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Finding the Fourth Proportional to 16,638.48, 24,957.24 and 4,326.48

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Solution

The fourth proportional to 16,638.48, 24,957.24 and 4,326.48 is: 6,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.48 : 24,957.24 = 4,326.48 : x
  2. Step 2: Convert to fraction form
    16,638.48/24,957.24 = 4,326.48/x
  3. Step 3: Cross multiply
    16,638.48x = 24,957.24 × 4,326.48
  4. Step 4: Simplify right side
    16,638.48x = 107,976,999.72
  5. Step 5: Solve for x
    x = 107,976,999.72/16,638.48
  6. Step 6: Final answer
    x = 6,489.60

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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.