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Finding the Fourth Proportional to 19,783.94, 27,302.00 and 10,831.52

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Solution

The fourth proportional to 19,783.94, 27,302.00 and 10,831.52 is: 14,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.94 : 27,302.00 = 10,831.52 : x
  2. Step 2: Convert to fraction form
    19,783.94/27,302.00 = 10,831.52/x
  3. Step 3: Cross multiply
    19,783.94x = 27,302.00 × 10,831.52
  4. Step 4: Simplify right side
    19,783.94x = 295,722,173.14
  5. Step 5: Solve for x
    x = 295,722,173.14/19,783.94
  6. Step 6: Final answer
    x = 14,947.59

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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.