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Finding the Fourth Proportional to 14,648.88, 21,976.48 and 4,261.44

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Solution

The fourth proportional to 14,648.88, 21,976.48 and 4,261.44 is: 6,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.88 : 21,976.48 = 4,261.44 : x
  2. Step 2: Convert to fraction form
    14,648.88/21,976.48 = 4,261.44/x
  3. Step 3: Cross multiply
    14,648.88x = 21,976.48 × 4,261.44
  4. Step 4: Simplify right side
    14,648.88x = 93,651,450.93
  5. Step 5: Solve for x
    x = 93,651,450.93/14,648.88
  6. Step 6: Final answer
    x = 6,393.08

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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.