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Finding the Fourth Proportional to 14,762.71, 20,366.10 and 9,382.26

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Solution

The fourth proportional to 14,762.71, 20,366.10 and 9,382.26 is: 12,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.71 : 20,366.10 = 9,382.26 : x
  2. Step 2: Convert to fraction form
    14,762.71/20,366.10 = 9,382.26/x
  3. Step 3: Cross multiply
    14,762.71x = 20,366.10 × 9,382.26
  4. Step 4: Simplify right side
    14,762.71x = 191,079,994.47
  5. Step 5: Solve for x
    x = 191,079,994.47/14,762.71
  6. Step 6: Final answer
    x = 12,943.43

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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.