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Finding the Fourth Proportional to 12,385.33, 18,567.06 and 9,476.62

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Solution

The fourth proportional to 12,385.33, 18,567.06 and 9,476.62 is: 14,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.33 : 18,567.06 = 9,476.62 : x
  2. Step 2: Convert to fraction form
    12,385.33/18,567.06 = 9,476.62/x
  3. Step 3: Cross multiply
    12,385.33x = 18,567.06 × 9,476.62
  4. Step 4: Simplify right side
    12,385.33x = 175,952,878.34
  5. Step 5: Solve for x
    x = 175,952,878.34/12,385.33
  6. Step 6: Final answer
    x = 14,206.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.