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Finding the Fourth Proportional to 7,800.06, 10,764.09 and 4,263.27

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Solution

The fourth proportional to 7,800.06, 10,764.09 and 4,263.27 is: 5,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.06 : 10,764.09 = 4,263.27 : x
  2. Step 2: Convert to fraction form
    7,800.06/10,764.09 = 4,263.27/x
  3. Step 3: Cross multiply
    7,800.06x = 10,764.09 × 4,263.27
  4. Step 4: Simplify right side
    7,800.06x = 45,890,200.66
  5. Step 5: Solve for x
    x = 45,890,200.66/7,800.06
  6. Step 6: Final answer
    x = 5,883.32

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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.