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Finding the Fourth Proportional to 22,465.01, 31,001.56 and 12,393.88

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Solution

The fourth proportional to 22,465.01, 31,001.56 and 12,393.88 is: 17,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.01 : 31,001.56 = 12,393.88 : x
  2. Step 2: Convert to fraction form
    22,465.01/31,001.56 = 12,393.88/x
  3. Step 3: Cross multiply
    22,465.01x = 31,001.56 × 12,393.88
  4. Step 4: Simplify right side
    22,465.01x = 384,229,505.96
  5. Step 5: Solve for x
    x = 384,229,505.96/22,465.01
  6. Step 6: Final answer
    x = 17,103.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.