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Finding the Fourth Proportional to 16,603.79, 24,909.33 and 4,917.92

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Solution

The fourth proportional to 16,603.79, 24,909.33 and 4,917.92 is: 7,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.79 : 24,909.33 = 4,917.92 : x
  2. Step 2: Convert to fraction form
    16,603.79/24,909.33 = 4,917.92/x
  3. Step 3: Cross multiply
    16,603.79x = 24,909.33 × 4,917.92
  4. Step 4: Simplify right side
    16,603.79x = 122,502,067.60
  5. Step 5: Solve for x
    x = 122,502,067.60/16,603.79
  6. Step 6: Final answer
    x = 7,377.96

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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.