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Finding the Fourth Proportional to 19,409.52, 29,118.42 and 11,093.52

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Solution

The fourth proportional to 19,409.52, 29,118.42 and 11,093.52 is: 16,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.52 : 29,118.42 = 11,093.52 : x
  2. Step 2: Convert to fraction form
    19,409.52/29,118.42 = 11,093.52/x
  3. Step 3: Cross multiply
    19,409.52x = 29,118.42 × 11,093.52
  4. Step 4: Simplify right side
    19,409.52x = 323,025,774.64
  5. Step 5: Solve for x
    x = 323,025,774.64/19,409.52
  6. Step 6: Final answer
    x = 16,642.65

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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.