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Finding the Fourth Proportional to 6,425.70, 9,628.62 and 4,337.52

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Solution

The fourth proportional to 6,425.70, 9,628.62 and 4,337.52 is: 6,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.70 : 9,628.62 = 4,337.52 : x
  2. Step 2: Convert to fraction form
    6,425.70/9,628.62 = 4,337.52/x
  3. Step 3: Cross multiply
    6,425.70x = 9,628.62 × 4,337.52
  4. Step 4: Simplify right side
    6,425.70x = 41,764,331.82
  5. Step 5: Solve for x
    x = 41,764,331.82/6,425.70
  6. Step 6: Final answer
    x = 6,499.58

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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.