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Finding the Fourth Proportional to 16,435.48, 24,654.48 and 4,748.80

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Solution

The fourth proportional to 16,435.48, 24,654.48 and 4,748.80 is: 7,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.48 : 24,654.48 = 4,748.80 : x
  2. Step 2: Convert to fraction form
    16,435.48/24,654.48 = 4,748.80/x
  3. Step 3: Cross multiply
    16,435.48x = 24,654.48 × 4,748.80
  4. Step 4: Simplify right side
    16,435.48x = 117,079,194.62
  5. Step 5: Solve for x
    x = 117,079,194.62/16,435.48
  6. Step 6: Final answer
    x = 7,123.56

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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.