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Finding the Fourth Proportional to 14,361.78, 21,542.64 and 3,973.50

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Solution

The fourth proportional to 14,361.78, 21,542.64 and 3,973.50 is: 5,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.78 : 21,542.64 = 3,973.50 : x
  2. Step 2: Convert to fraction form
    14,361.78/21,542.64 = 3,973.50/x
  3. Step 3: Cross multiply
    14,361.78x = 21,542.64 × 3,973.50
  4. Step 4: Simplify right side
    14,361.78x = 85,599,680.04
  5. Step 5: Solve for x
    x = 85,599,680.04/14,361.78
  6. Step 6: Final answer
    x = 5,960.24

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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.