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Finding the Fourth Proportional to 6,704.40, 10,045.80 and 4,234.80

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Solution

The fourth proportional to 6,704.40, 10,045.80 and 4,234.80 is: 6,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.40 : 10,045.80 = 4,234.80 : x
  2. Step 2: Convert to fraction form
    6,704.40/10,045.80 = 4,234.80/x
  3. Step 3: Cross multiply
    6,704.40x = 10,045.80 × 4,234.80
  4. Step 4: Simplify right side
    6,704.40x = 42,541,953.84
  5. Step 5: Solve for x
    x = 42,541,953.84/6,704.40
  6. Step 6: Final answer
    x = 6,345.38

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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.