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Finding the Fourth Proportional to 22,449.90, 30,968.18 and 14,051.82

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Solution

The fourth proportional to 22,449.90, 30,968.18 and 14,051.82 is: 19,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.90 : 30,968.18 = 14,051.82 : x
  2. Step 2: Convert to fraction form
    22,449.90/30,968.18 = 14,051.82/x
  3. Step 3: Cross multiply
    22,449.90x = 30,968.18 × 14,051.82
  4. Step 4: Simplify right side
    22,449.90x = 435,159,291.09
  5. Step 5: Solve for x
    x = 435,159,291.09/22,449.90
  6. Step 6: Final answer
    x = 19,383.57

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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.