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Finding the Fourth Proportional to 19,560.99, 27,008.97 and 12,017.67

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Solution

The fourth proportional to 19,560.99, 27,008.97 and 12,017.67 is: 16,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.99 : 27,008.97 = 12,017.67 : x
  2. Step 2: Convert to fraction form
    19,560.99/27,008.97 = 12,017.67/x
  3. Step 3: Cross multiply
    19,560.99x = 27,008.97 × 12,017.67
  4. Step 4: Simplify right side
    19,560.99x = 324,584,888.50
  5. Step 5: Solve for x
    x = 324,584,888.50/19,560.99
  6. Step 6: Final answer
    x = 16,593.48

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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.