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Finding the Fourth Proportional to 23,925.78, 33,017.57 and 13,315.41

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Solution

The fourth proportional to 23,925.78, 33,017.57 and 13,315.41 is: 18,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,925.78 : 33,017.57 = 13,315.41 : x
  2. Step 2: Convert to fraction form
    23,925.78/33,017.57 = 13,315.41/x
  3. Step 3: Cross multiply
    23,925.78x = 33,017.57 × 13,315.41
  4. Step 4: Simplify right side
    23,925.78x = 439,642,415.18
  5. Step 5: Solve for x
    x = 439,642,415.18/23,925.78
  6. Step 6: Final answer
    x = 18,375.26

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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.