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Finding the Fourth Proportional to 14,452.54, 19,941.91 and 8,079.26

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Solution

The fourth proportional to 14,452.54, 19,941.91 and 8,079.26 is: 11,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.54 : 19,941.91 = 8,079.26 : x
  2. Step 2: Convert to fraction form
    14,452.54/19,941.91 = 8,079.26/x
  3. Step 3: Cross multiply
    14,452.54x = 19,941.91 × 8,079.26
  4. Step 4: Simplify right side
    14,452.54x = 161,115,875.79
  5. Step 5: Solve for x
    x = 161,115,875.79/14,452.54
  6. Step 6: Final answer
    x = 11,147.93

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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.