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Finding the Fourth Proportional to 14,084.92, 19,438.88 and 9,047.28

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Solution

The fourth proportional to 14,084.92, 19,438.88 and 9,047.28 is: 12,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.92 : 19,438.88 = 9,047.28 : x
  2. Step 2: Convert to fraction form
    14,084.92/19,438.88 = 9,047.28/x
  3. Step 3: Cross multiply
    14,084.92x = 19,438.88 × 9,047.28
  4. Step 4: Simplify right side
    14,084.92x = 175,868,990.25
  5. Step 5: Solve for x
    x = 175,868,990.25/14,084.92
  6. Step 6: Final answer
    x = 12,486.33

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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.