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Finding the Fourth Proportional to 16,436.88, 24,658.97 and 4,749.21

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Solution

The fourth proportional to 16,436.88, 24,658.97 and 4,749.21 is: 7,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.88 : 24,658.97 = 4,749.21 : x
  2. Step 2: Convert to fraction form
    16,436.88/24,658.97 = 4,749.21/x
  3. Step 3: Cross multiply
    16,436.88x = 24,658.97 × 4,749.21
  4. Step 4: Simplify right side
    16,436.88x = 117,110,603.17
  5. Step 5: Solve for x
    x = 117,110,603.17/16,436.88
  6. Step 6: Final answer
    x = 7,124.87

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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.