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Finding the Fourth Proportional to 13,299.63, 19,942.92 and 7,599.93

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Solution

The fourth proportional to 13,299.63, 19,942.92 and 7,599.93 is: 11,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.63 : 19,942.92 = 7,599.93 : x
  2. Step 2: Convert to fraction form
    13,299.63/19,942.92 = 7,599.93/x
  3. Step 3: Cross multiply
    13,299.63x = 19,942.92 × 7,599.93
  4. Step 4: Simplify right side
    13,299.63x = 151,564,796.00
  5. Step 5: Solve for x
    x = 151,564,796.00/13,299.63
  6. Step 6: Final answer
    x = 11,396.17

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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.