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Finding the Fourth Proportional to 8,913.54, 13,361.48 and 4,225.26

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Solution

The fourth proportional to 8,913.54, 13,361.48 and 4,225.26 is: 6,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.54 : 13,361.48 = 4,225.26 : x
  2. Step 2: Convert to fraction form
    8,913.54/13,361.48 = 4,225.26/x
  3. Step 3: Cross multiply
    8,913.54x = 13,361.48 × 4,225.26
  4. Step 4: Simplify right side
    8,913.54x = 56,455,726.98
  5. Step 5: Solve for x
    x = 56,455,726.98/8,913.54
  6. Step 6: Final answer
    x = 6,333.70

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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.