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Finding the Fourth Proportional to 16,804.51, 25,210.52 and 5,118.64

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Solution

The fourth proportional to 16,804.51, 25,210.52 and 5,118.64 is: 7,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.51 : 25,210.52 = 5,118.64 : x
  2. Step 2: Convert to fraction form
    16,804.51/25,210.52 = 5,118.64/x
  3. Step 3: Cross multiply
    16,804.51x = 25,210.52 × 5,118.64
  4. Step 4: Simplify right side
    16,804.51x = 129,043,576.09
  5. Step 5: Solve for x
    x = 129,043,576.09/16,804.51
  6. Step 6: Final answer
    x = 7,679.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.