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Finding the Fourth Proportional to 16,436.56, 24,654.68 and 4,749.68

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Solution

The fourth proportional to 16,436.56, 24,654.68 and 4,749.68 is: 7,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.56 : 24,654.68 = 4,749.68 : x
  2. Step 2: Convert to fraction form
    16,436.56/24,654.68 = 4,749.68/x
  3. Step 3: Cross multiply
    16,436.56x = 24,654.68 × 4,749.68
  4. Step 4: Simplify right side
    16,436.56x = 117,101,840.50
  5. Step 5: Solve for x
    x = 117,101,840.50/16,436.56
  6. Step 6: Final answer
    x = 7,124.47

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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.