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Finding the Fourth Proportional to 13,804.51, 19,045.22 and 7,832.72

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Solution

The fourth proportional to 13,804.51, 19,045.22 and 7,832.72 is: 10,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.51 : 19,045.22 = 7,832.72 : x
  2. Step 2: Convert to fraction form
    13,804.51/19,045.22 = 7,832.72/x
  3. Step 3: Cross multiply
    13,804.51x = 19,045.22 × 7,832.72
  4. Step 4: Simplify right side
    13,804.51x = 149,175,875.60
  5. Step 5: Solve for x
    x = 149,175,875.60/13,804.51
  6. Step 6: Final answer
    x = 10,806.31

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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.