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Finding the Fourth Proportional to 19,417.50, 26,796.16 and 11,034

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Solution

The fourth proportional to 19,417.50, 26,796.16 and 11,034 is: 15,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.50 : 26,796.16 = 11,034 : x
  2. Step 2: Convert to fraction form
    19,417.50/26,796.16 = 11,034/x
  3. Step 3: Cross multiply
    19,417.50x = 26,796.16 × 11,034
  4. Step 4: Simplify right side
    19,417.50x = 295,668,829.44
  5. Step 5: Solve for x
    x = 295,668,829.44/19,417.50
  6. Step 6: Final answer
    x = 15,226.93

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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.