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Finding the Fourth Proportional to 19,362.24, 26,728.02 and 16,393.44

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Solution

The fourth proportional to 19,362.24, 26,728.02 and 16,393.44 is: 22,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.24 : 26,728.02 = 16,393.44 : x
  2. Step 2: Convert to fraction form
    19,362.24/26,728.02 = 16,393.44/x
  3. Step 3: Cross multiply
    19,362.24x = 26,728.02 × 16,393.44
  4. Step 4: Simplify right side
    19,362.24x = 438,164,192.19
  5. Step 5: Solve for x
    x = 438,164,192.19/19,362.24
  6. Step 6: Final answer
    x = 22,629.83

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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.