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Finding the Fourth Proportional to 14,200.88, 19,597.11 and 8,235.99

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Solution

The fourth proportional to 14,200.88, 19,597.11 and 8,235.99 is: 11,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.88 : 19,597.11 = 8,235.99 : x
  2. Step 2: Convert to fraction form
    14,200.88/19,597.11 = 8,235.99/x
  3. Step 3: Cross multiply
    14,200.88x = 19,597.11 × 8,235.99
  4. Step 4: Simplify right side
    14,200.88x = 161,401,601.99
  5. Step 5: Solve for x
    x = 161,401,601.99/14,200.88
  6. Step 6: Final answer
    x = 11,365.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.