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Finding the Fourth Proportional to 14,190.84, 19,584.36 and 7,904.52

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Solution

The fourth proportional to 14,190.84, 19,584.36 and 7,904.52 is: 10,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.84 : 19,584.36 = 7,904.52 : x
  2. Step 2: Convert to fraction form
    14,190.84/19,584.36 = 7,904.52/x
  3. Step 3: Cross multiply
    14,190.84x = 19,584.36 × 7,904.52
  4. Step 4: Simplify right side
    14,190.84x = 154,804,965.31
  5. Step 5: Solve for x
    x = 154,804,965.31/14,190.84
  6. Step 6: Final answer
    x = 10,908.80

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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.