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Finding the Fourth Proportional to 30,281.58, 41,787.50 and 16,853.40

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Solution

The fourth proportional to 30,281.58, 41,787.50 and 16,853.40 is: 23,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.58 : 41,787.50 = 16,853.40 : x
  2. Step 2: Convert to fraction form
    30,281.58/41,787.50 = 16,853.40/x
  3. Step 3: Cross multiply
    30,281.58x = 41,787.50 × 16,853.40
  4. Step 4: Simplify right side
    30,281.58x = 704,261,368.23
  5. Step 5: Solve for x
    x = 704,261,368.23/30,281.58
  6. Step 6: Final answer
    x = 23,257.09

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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.