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Finding the Fourth Proportional to 13,000.99, 19,544.99 and 10,260.69

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Solution

The fourth proportional to 13,000.99, 19,544.99 and 10,260.69 is: 15,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.99 : 19,544.99 = 10,260.69 : x
  2. Step 2: Convert to fraction form
    13,000.99/19,544.99 = 10,260.69/x
  3. Step 3: Cross multiply
    13,000.99x = 19,544.99 × 10,260.69
  4. Step 4: Simplify right side
    13,000.99x = 200,545,032.14
  5. Step 5: Solve for x
    x = 200,545,032.14/13,000.99
  6. Step 6: Final answer
    x = 15,425.37

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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.