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Finding the Fourth Proportional to 13,007.93, 17,950.32 and 7,629.63

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Solution

The fourth proportional to 13,007.93, 17,950.32 and 7,629.63 is: 10,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.93 : 17,950.32 = 7,629.63 : x
  2. Step 2: Convert to fraction form
    13,007.93/17,950.32 = 7,629.63/x
  3. Step 3: Cross multiply
    13,007.93x = 17,950.32 × 7,629.63
  4. Step 4: Simplify right side
    13,007.93x = 136,954,299.98
  5. Step 5: Solve for x
    x = 136,954,299.98/13,007.93
  6. Step 6: Final answer
    x = 10,528.52

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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.