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Finding the Fourth Proportional to 8,975.56, 13,446.06 and 4,361.80

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Solution

The fourth proportional to 8,975.56, 13,446.06 and 4,361.80 is: 6,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.56 : 13,446.06 = 4,361.80 : x
  2. Step 2: Convert to fraction form
    8,975.56/13,446.06 = 4,361.80/x
  3. Step 3: Cross multiply
    8,975.56x = 13,446.06 × 4,361.80
  4. Step 4: Simplify right side
    8,975.56x = 58,649,024.51
  5. Step 5: Solve for x
    x = 58,649,024.51/8,975.56
  6. Step 6: Final answer
    x = 6,534.30

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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.