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Finding the Fourth Proportional to 30,114.99, 45,194.36 and 16,992.99

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Solution

The fourth proportional to 30,114.99, 45,194.36 and 16,992.99 is: 25,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.99 : 45,194.36 = 16,992.99 : x
  2. Step 2: Convert to fraction form
    30,114.99/45,194.36 = 16,992.99/x
  3. Step 3: Cross multiply
    30,114.99x = 45,194.36 × 16,992.99
  4. Step 4: Simplify right side
    30,114.99x = 767,987,222.57
  5. Step 5: Solve for x
    x = 767,987,222.57/30,114.99
  6. Step 6: Final answer
    x = 25,501.83

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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.