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Finding the Fourth Proportional to 14,061.47, 19,401.66 and 8,395.18

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Solution

The fourth proportional to 14,061.47, 19,401.66 and 8,395.18 is: 11,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.47 : 19,401.66 = 8,395.18 : x
  2. Step 2: Convert to fraction form
    14,061.47/19,401.66 = 8,395.18/x
  3. Step 3: Cross multiply
    14,061.47x = 19,401.66 × 8,395.18
  4. Step 4: Simplify right side
    14,061.47x = 162,880,379.49
  5. Step 5: Solve for x
    x = 162,880,379.49/14,061.47
  6. Step 6: Final answer
    x = 11,583.46

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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.