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Finding the Fourth Proportional to 6,355.92, 8,764.56 and 4,262.88

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Solution

The fourth proportional to 6,355.92, 8,764.56 and 4,262.88 is: 5,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.92 : 8,764.56 = 4,262.88 : x
  2. Step 2: Convert to fraction form
    6,355.92/8,764.56 = 4,262.88/x
  3. Step 3: Cross multiply
    6,355.92x = 8,764.56 × 4,262.88
  4. Step 4: Simplify right side
    6,355.92x = 37,362,267.53
  5. Step 5: Solve for x
    x = 37,362,267.53/6,355.92
  6. Step 6: Final answer
    x = 5,878.34

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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.