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Finding the Fourth Proportional to 30,169.44, 45,256.80 and 11,194.29

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Solution

The fourth proportional to 30,169.44, 45,256.80 and 11,194.29 is: 16,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.44 : 45,256.80 = 11,194.29 : x
  2. Step 2: Convert to fraction form
    30,169.44/45,256.80 = 11,194.29/x
  3. Step 3: Cross multiply
    30,169.44x = 45,256.80 × 11,194.29
  4. Step 4: Simplify right side
    30,169.44x = 506,617,743.67
  5. Step 5: Solve for x
    x = 506,617,743.67/30,169.44
  6. Step 6: Final answer
    x = 16,792.41

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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.