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Finding the Fourth Proportional to 14,520.78, 21,773.88 and 6,735.06

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Solution

The fourth proportional to 14,520.78, 21,773.88 and 6,735.06 is: 10,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.78 : 21,773.88 = 6,735.06 : x
  2. Step 2: Convert to fraction form
    14,520.78/21,773.88 = 6,735.06/x
  3. Step 3: Cross multiply
    14,520.78x = 21,773.88 × 6,735.06
  4. Step 4: Simplify right side
    14,520.78x = 146,648,388.23
  5. Step 5: Solve for x
    x = 146,648,388.23/14,520.78
  6. Step 6: Final answer
    x = 10,099.21

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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.