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Finding the Fourth Proportional to 8,361.72, 12,532.86 and 3,735

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Solution

The fourth proportional to 8,361.72, 12,532.86 and 3,735 is: 5,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.72 : 12,532.86 = 3,735 : x
  2. Step 2: Convert to fraction form
    8,361.72/12,532.86 = 3,735/x
  3. Step 3: Cross multiply
    8,361.72x = 12,532.86 × 3,735
  4. Step 4: Simplify right side
    8,361.72x = 46,810,232.10
  5. Step 5: Solve for x
    x = 46,810,232.10/8,361.72
  6. Step 6: Final answer
    x = 5,598.16

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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.