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Finding the Fourth Proportional to 6,681.58, 10,020.38 and 2,518.58

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Solution

The fourth proportional to 6,681.58, 10,020.38 and 2,518.58 is: 3,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.58 : 10,020.38 = 2,518.58 : x
  2. Step 2: Convert to fraction form
    6,681.58/10,020.38 = 2,518.58/x
  3. Step 3: Cross multiply
    6,681.58x = 10,020.38 × 2,518.58
  4. Step 4: Simplify right side
    6,681.58x = 25,237,128.66
  5. Step 5: Solve for x
    x = 25,237,128.66/6,681.58
  6. Step 6: Final answer
    x = 3,777.12

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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.