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Finding the Fourth Proportional to 30,799.59, 46,163.17 and 13,912.89

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Solution

The fourth proportional to 30,799.59, 46,163.17 and 13,912.89 is: 20,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.59 : 46,163.17 = 13,912.89 : x
  2. Step 2: Convert to fraction form
    30,799.59/46,163.17 = 13,912.89/x
  3. Step 3: Cross multiply
    30,799.59x = 46,163.17 × 13,912.89
  4. Step 4: Simplify right side
    30,799.59x = 642,263,106.26
  5. Step 5: Solve for x
    x = 642,263,106.26/30,799.59
  6. Step 6: Final answer
    x = 20,852.98

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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.