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Finding the Fourth Proportional to 29,359.37, 44,038.90 and 7,172.87

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Solution

The fourth proportional to 29,359.37, 44,038.90 and 7,172.87 is: 10,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,359.37 : 44,038.90 = 7,172.87 : x
  2. Step 2: Convert to fraction form
    29,359.37/44,038.90 = 7,172.87/x
  3. Step 3: Cross multiply
    29,359.37x = 44,038.90 × 7,172.87
  4. Step 4: Simplify right side
    29,359.37x = 315,885,304.64
  5. Step 5: Solve for x
    x = 315,885,304.64/29,359.37
  6. Step 6: Final answer
    x = 10,759.27

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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.