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Finding the Fourth Proportional to 12,695.94, 19,048.48 and 5,675.38

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Solution

The fourth proportional to 12,695.94, 19,048.48 and 5,675.38 is: 8,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.94 : 19,048.48 = 5,675.38 : x
  2. Step 2: Convert to fraction form
    12,695.94/19,048.48 = 5,675.38/x
  3. Step 3: Cross multiply
    12,695.94x = 19,048.48 × 5,675.38
  4. Step 4: Simplify right side
    12,695.94x = 108,107,300.61
  5. Step 5: Solve for x
    x = 108,107,300.61/12,695.94
  6. Step 6: Final answer
    x = 8,515.11

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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.