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Finding the Fourth Proportional to 30,296.98, 41,809.74 and 16,867.89

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Solution

The fourth proportional to 30,296.98, 41,809.74 and 16,867.89 is: 23,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.98 : 41,809.74 = 16,867.89 : x
  2. Step 2: Convert to fraction form
    30,296.98/41,809.74 = 16,867.89/x
  3. Step 3: Cross multiply
    30,296.98x = 41,809.74 × 16,867.89
  4. Step 4: Simplify right side
    30,296.98x = 705,241,801.86
  5. Step 5: Solve for x
    x = 705,241,801.86/30,296.98
  6. Step 6: Final answer
    x = 23,277.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.