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Finding the Fourth Proportional to 34,107.88, 51,168.74 and 10,728.88

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Solution

The fourth proportional to 34,107.88, 51,168.74 and 10,728.88 is: 16,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.88 : 51,168.74 = 10,728.88 : x
  2. Step 2: Convert to fraction form
    34,107.88/51,168.74 = 10,728.88/x
  3. Step 3: Cross multiply
    34,107.88x = 51,168.74 × 10,728.88
  4. Step 4: Simplify right side
    34,107.88x = 548,983,271.21
  5. Step 5: Solve for x
    x = 548,983,271.21/34,107.88
  6. Step 6: Final answer
    x = 16,095.50

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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.