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Finding the Fourth Proportional to 25,106.52, 37,636.74 and 8,679

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Solution

The fourth proportional to 25,106.52, 37,636.74 and 8,679 is: 13,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.52 : 37,636.74 = 8,679 : x
  2. Step 2: Convert to fraction form
    25,106.52/37,636.74 = 8,679/x
  3. Step 3: Cross multiply
    25,106.52x = 37,636.74 × 8,679
  4. Step 4: Simplify right side
    25,106.52x = 326,649,266.46
  5. Step 5: Solve for x
    x = 326,649,266.46/25,106.52
  6. Step 6: Final answer
    x = 13,010.54

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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.