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Finding the Fourth Proportional to 29,809.46, 41,128.09 and 17,868.44

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Solution

The fourth proportional to 29,809.46, 41,128.09 and 17,868.44 is: 24,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.46 : 41,128.09 = 17,868.44 : x
  2. Step 2: Convert to fraction form
    29,809.46/41,128.09 = 17,868.44/x
  3. Step 3: Cross multiply
    29,809.46x = 41,128.09 × 17,868.44
  4. Step 4: Simplify right side
    29,809.46x = 734,894,866.63
  5. Step 5: Solve for x
    x = 734,894,866.63/29,809.46
  6. Step 6: Final answer
    x = 24,653.07

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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.