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Finding the Fourth Proportional to 8,356.76, 12,537.21 and 3,359.46

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Solution

The fourth proportional to 8,356.76, 12,537.21 and 3,359.46 is: 5,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.76 : 12,537.21 = 3,359.46 : x
  2. Step 2: Convert to fraction form
    8,356.76/12,537.21 = 3,359.46/x
  3. Step 3: Cross multiply
    8,356.76x = 12,537.21 × 3,359.46
  4. Step 4: Simplify right side
    8,356.76x = 42,118,255.51
  5. Step 5: Solve for x
    x = 42,118,255.51/8,356.76
  6. Step 6: Final answer
    x = 5,040.02

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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.