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Finding the Fourth Proportional to 30,855.80, 46,272.90 and 16,059.80

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Solution

The fourth proportional to 30,855.80, 46,272.90 and 16,059.80 is: 24,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.80 : 46,272.90 = 16,059.80 : x
  2. Step 2: Convert to fraction form
    30,855.80/46,272.90 = 16,059.80/x
  3. Step 3: Cross multiply
    30,855.80x = 46,272.90 × 16,059.80
  4. Step 4: Simplify right side
    30,855.80x = 743,133,519.42
  5. Step 5: Solve for x
    x = 743,133,519.42/30,855.80
  6. Step 6: Final answer
    x = 24,084.08

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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.