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Finding the Fourth Proportional to 30,859.80, 46,278.90 and 16,063.80

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Solution

The fourth proportional to 30,859.80, 46,278.90 and 16,063.80 is: 24,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.80 : 46,278.90 = 16,063.80 : x
  2. Step 2: Convert to fraction form
    30,859.80/46,278.90 = 16,063.80/x
  3. Step 3: Cross multiply
    30,859.80x = 46,278.90 × 16,063.80
  4. Step 4: Simplify right side
    30,859.80x = 743,414,993.82
  5. Step 5: Solve for x
    x = 743,414,993.82/30,859.80
  6. Step 6: Final answer
    x = 24,090.08

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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.