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Finding the Fourth Proportional to 31,895.91, 44,022.69 and 18,470.16

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Solution

The fourth proportional to 31,895.91, 44,022.69 and 18,470.16 is: 25,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.91 : 44,022.69 = 18,470.16 : x
  2. Step 2: Convert to fraction form
    31,895.91/44,022.69 = 18,470.16/x
  3. Step 3: Cross multiply
    31,895.91x = 44,022.69 × 18,470.16
  4. Step 4: Simplify right side
    31,895.91x = 813,106,127.93
  5. Step 5: Solve for x
    x = 813,106,127.93/31,895.91
  6. Step 6: Final answer
    x = 25,492.49

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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.