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Finding the Fourth Proportional to 19.04, 26.22 and 19.00

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Solution

The fourth proportional to 19.04, 26.22 and 19.00 is: 26.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.04 : 26.22 = 19.00 : x
  2. Step 2: Convert to fraction form
    19.04/26.22 = 19.00/x
  3. Step 3: Cross multiply
    19.04x = 26.22 × 19.00
  4. Step 4: Simplify right side
    19.04x = 498.05
  5. Step 5: Solve for x
    x = 498.05/19.04
  6. Step 6: Final answer
    x = 26.16

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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.