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Finding the Fourth Proportional to 6,345.70, 8,764.36 and 4,850.28

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Solution

The fourth proportional to 6,345.70, 8,764.36 and 4,850.28 is: 6,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.70 : 8,764.36 = 4,850.28 : x
  2. Step 2: Convert to fraction form
    6,345.70/8,764.36 = 4,850.28/x
  3. Step 3: Cross multiply
    6,345.70x = 8,764.36 × 4,850.28
  4. Step 4: Simplify right side
    6,345.70x = 42,509,600.02
  5. Step 5: Solve for x
    x = 42,509,600.02/6,345.70
  6. Step 6: Final answer
    x = 6,698.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.