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Finding the Fourth Proportional to 11,048.26, 16,569.81 and 7,087.54

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Solution

The fourth proportional to 11,048.26, 16,569.81 and 7,087.54 is: 10,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.26 : 16,569.81 = 7,087.54 : x
  2. Step 2: Convert to fraction form
    11,048.26/16,569.81 = 7,087.54/x
  3. Step 3: Cross multiply
    11,048.26x = 16,569.81 × 7,087.54
  4. Step 4: Simplify right side
    11,048.26x = 117,439,191.17
  5. Step 5: Solve for x
    x = 117,439,191.17/11,048.26
  6. Step 6: Final answer
    x = 10,629.65

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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.