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Finding the Fourth Proportional to 19,100.77, 26,360.26 and 11,034.77

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Solution

The fourth proportional to 19,100.77, 26,360.26 and 11,034.77 is: 15,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.77 : 26,360.26 = 11,034.77 : x
  2. Step 2: Convert to fraction form
    19,100.77/26,360.26 = 11,034.77/x
  3. Step 3: Cross multiply
    19,100.77x = 26,360.26 × 11,034.77
  4. Step 4: Simplify right side
    19,100.77x = 290,879,246.85
  5. Step 5: Solve for x
    x = 290,879,246.85/19,100.77
  6. Step 6: Final answer
    x = 15,228.66

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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.