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Finding the Fourth Proportional to 7,800.05, 10,764.06 and 4,263.26

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Solution

The fourth proportional to 7,800.05, 10,764.06 and 4,263.26 is: 5,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.05 : 10,764.06 = 4,263.26 : x
  2. Step 2: Convert to fraction form
    7,800.05/10,764.06 = 4,263.26/x
  3. Step 3: Cross multiply
    7,800.05x = 10,764.06 × 4,263.26
  4. Step 4: Simplify right side
    7,800.05x = 45,889,982.87
  5. Step 5: Solve for x
    x = 45,889,982.87/7,800.05
  6. Step 6: Final answer
    x = 5,883.30

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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.