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Finding the Fourth Proportional to 14,465.25, 19,960.02 and 8,091.51

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Solution

The fourth proportional to 14,465.25, 19,960.02 and 8,091.51 is: 11,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.25 : 19,960.02 = 8,091.51 : x
  2. Step 2: Convert to fraction form
    14,465.25/19,960.02 = 8,091.51/x
  3. Step 3: Cross multiply
    14,465.25x = 19,960.02 × 8,091.51
  4. Step 4: Simplify right side
    14,465.25x = 161,506,701.43
  5. Step 5: Solve for x
    x = 161,506,701.43/14,465.25
  6. Step 6: Final answer
    x = 11,165.15

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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.