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Finding the Fourth Proportional to 8,673.93, 13,011 and 2,100.15

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Solution

The fourth proportional to 8,673.93, 13,011 and 2,100.15 is: 3,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.93 : 13,011 = 2,100.15 : x
  2. Step 2: Convert to fraction form
    8,673.93/13,011 = 2,100.15/x
  3. Step 3: Cross multiply
    8,673.93x = 13,011 × 2,100.15
  4. Step 4: Simplify right side
    8,673.93x = 27,325,051.65
  5. Step 5: Solve for x
    x = 27,325,051.65/8,673.93
  6. Step 6: Final answer
    x = 3,150.25

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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.