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Finding the Fourth Proportional to 11,813.55, 17,696.02 and 8,533.23

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Solution

The fourth proportional to 11,813.55, 17,696.02 and 8,533.23 is: 12,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.55 : 17,696.02 = 8,533.23 : x
  2. Step 2: Convert to fraction form
    11,813.55/17,696.02 = 8,533.23/x
  3. Step 3: Cross multiply
    11,813.55x = 17,696.02 × 8,533.23
  4. Step 4: Simplify right side
    11,813.55x = 151,004,098.93
  5. Step 5: Solve for x
    x = 151,004,098.93/11,813.55
  6. Step 6: Final answer
    x = 12,782.28

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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.