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Finding the Fourth Proportional to 8,634.55, 12,954.10 and 3,637.37

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Solution

The fourth proportional to 8,634.55, 12,954.10 and 3,637.37 is: 5,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.55 : 12,954.10 = 3,637.37 : x
  2. Step 2: Convert to fraction form
    8,634.55/12,954.10 = 3,637.37/x
  3. Step 3: Cross multiply
    8,634.55x = 12,954.10 × 3,637.37
  4. Step 4: Simplify right side
    8,634.55x = 47,118,840.41
  5. Step 5: Solve for x
    x = 47,118,840.41/8,634.55
  6. Step 6: Final answer
    x = 5,457.01

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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.