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Finding the Fourth Proportional to 8,968.74, 13,453.14 and 4,348.50

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Solution

The fourth proportional to 8,968.74, 13,453.14 and 4,348.50 is: 6,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.74 : 13,453.14 = 4,348.50 : x
  2. Step 2: Convert to fraction form
    8,968.74/13,453.14 = 4,348.50/x
  3. Step 3: Cross multiply
    8,968.74x = 13,453.14 × 4,348.50
  4. Step 4: Simplify right side
    8,968.74x = 58,500,979.29
  5. Step 5: Solve for x
    x = 58,500,979.29/8,968.74
  6. Step 6: Final answer
    x = 6,522.76

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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.