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Finding the Fourth Proportional to 13,007.74, 17,950.66 and 7,343.68

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Solution

The fourth proportional to 13,007.74, 17,950.66 and 7,343.68 is: 10,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.74 : 17,950.66 = 7,343.68 : x
  2. Step 2: Convert to fraction form
    13,007.74/17,950.66 = 7,343.68/x
  3. Step 3: Cross multiply
    13,007.74x = 17,950.66 × 7,343.68
  4. Step 4: Simplify right side
    13,007.74x = 131,823,902.83
  5. Step 5: Solve for x
    x = 131,823,902.83/13,007.74
  6. Step 6: Final answer
    x = 10,134.27

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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.