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Finding the Fourth Proportional to 7,328.93, 10,993.41 and 1,782.29

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Solution

The fourth proportional to 7,328.93, 10,993.41 and 1,782.29 is: 2,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.93 : 10,993.41 = 1,782.29 : x
  2. Step 2: Convert to fraction form
    7,328.93/10,993.41 = 1,782.29/x
  3. Step 3: Cross multiply
    7,328.93x = 10,993.41 × 1,782.29
  4. Step 4: Simplify right side
    7,328.93x = 19,593,389.74
  5. Step 5: Solve for x
    x = 19,593,389.74/7,328.93
  6. Step 6: Final answer
    x = 2,673.43

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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.