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Finding the Fourth Proportional to 30,296.61, 41,809.22 and 16,867.51

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Solution

The fourth proportional to 30,296.61, 41,809.22 and 16,867.51 is: 23,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.61 : 41,809.22 = 16,867.51 : x
  2. Step 2: Convert to fraction form
    30,296.61/41,809.22 = 16,867.51/x
  3. Step 3: Cross multiply
    30,296.61x = 41,809.22 × 16,867.51
  4. Step 4: Simplify right side
    30,296.61x = 705,217,436.44
  5. Step 5: Solve for x
    x = 705,217,436.44/30,296.61
  6. Step 6: Final answer
    x = 23,277.11

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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.