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Finding the Fourth Proportional to 8,703.63, 13,051.17 and 2,858.25

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Solution

The fourth proportional to 8,703.63, 13,051.17 and 2,858.25 is: 4,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.63 : 13,051.17 = 2,858.25 : x
  2. Step 2: Convert to fraction form
    8,703.63/13,051.17 = 2,858.25/x
  3. Step 3: Cross multiply
    8,703.63x = 13,051.17 × 2,858.25
  4. Step 4: Simplify right side
    8,703.63x = 37,303,506.65
  5. Step 5: Solve for x
    x = 37,303,506.65/8,703.63
  6. Step 6: Final answer
    x = 4,285.97

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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.