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Finding the Fourth Proportional to 8,693.03, 13,040.55 and 3,148.98

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Solution

The fourth proportional to 8,693.03, 13,040.55 and 3,148.98 is: 4,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.03 : 13,040.55 = 3,148.98 : x
  2. Step 2: Convert to fraction form
    8,693.03/13,040.55 = 3,148.98/x
  3. Step 3: Cross multiply
    8,693.03x = 13,040.55 × 3,148.98
  4. Step 4: Simplify right side
    8,693.03x = 41,064,431.14
  5. Step 5: Solve for x
    x = 41,064,431.14/8,693.03
  6. Step 6: Final answer
    x = 4,723.84

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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.