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Finding the Fourth Proportional to 8,914.48, 13,361.82 and 4,522.84

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Solution

The fourth proportional to 8,914.48, 13,361.82 and 4,522.84 is: 6,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.48 : 13,361.82 = 4,522.84 : x
  2. Step 2: Convert to fraction form
    8,914.48/13,361.82 = 4,522.84/x
  3. Step 3: Cross multiply
    8,914.48x = 13,361.82 × 4,522.84
  4. Step 4: Simplify right side
    8,914.48x = 60,433,373.97
  5. Step 5: Solve for x
    x = 60,433,373.97/8,914.48
  6. Step 6: Final answer
    x = 6,779.24

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1.5x scale

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.