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Finding the Fourth Proportional to 16,941.99, 25,412.98 and 8,193.99

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Solution

The fourth proportional to 16,941.99, 25,412.98 and 8,193.99 is: 12,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.99 : 25,412.98 = 8,193.99 : x
  2. Step 2: Convert to fraction form
    16,941.99/25,412.98 = 8,193.99/x
  3. Step 3: Cross multiply
    16,941.99x = 25,412.98 × 8,193.99
  4. Step 4: Simplify right side
    16,941.99x = 208,233,703.99
  5. Step 5: Solve for x
    x = 208,233,703.99/16,941.99
  6. Step 6: Final answer
    x = 12,290.98

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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.