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Finding the Fourth Proportional to 14,831.66, 20,471.19 and 8,866.01

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Solution

The fourth proportional to 14,831.66, 20,471.19 and 8,866.01 is: 12,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.66 : 20,471.19 = 8,866.01 : x
  2. Step 2: Convert to fraction form
    14,831.66/20,471.19 = 8,866.01/x
  3. Step 3: Cross multiply
    14,831.66x = 20,471.19 × 8,866.01
  4. Step 4: Simplify right side
    14,831.66x = 181,497,775.25
  5. Step 5: Solve for x
    x = 181,497,775.25/14,831.66
  6. Step 6: Final answer
    x = 12,237.19

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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.