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Finding the Fourth Proportional to 19,463.99, 29,199.83 and 6,980.67

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Solution

The fourth proportional to 19,463.99, 29,199.83 and 6,980.67 is: 10,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.99 : 29,199.83 = 6,980.67 : x
  2. Step 2: Convert to fraction form
    19,463.99/29,199.83 = 6,980.67/x
  3. Step 3: Cross multiply
    19,463.99x = 29,199.83 × 6,980.67
  4. Step 4: Simplify right side
    19,463.99x = 203,834,342.38
  5. Step 5: Solve for x
    x = 203,834,342.38/19,463.99
  6. Step 6: Final answer
    x = 10,472.38

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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.