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Finding the Fourth Proportional to 14,280.65, 19,707.30 and 7,993.03

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Solution

The fourth proportional to 14,280.65, 19,707.30 and 7,993.03 is: 11,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.65 : 19,707.30 = 7,993.03 : x
  2. Step 2: Convert to fraction form
    14,280.65/19,707.30 = 7,993.03/x
  3. Step 3: Cross multiply
    14,280.65x = 19,707.30 × 7,993.03
  4. Step 4: Simplify right side
    14,280.65x = 157,520,950.89
  5. Step 5: Solve for x
    x = 157,520,950.89/14,280.65
  6. Step 6: Final answer
    x = 11,030.37

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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.