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Finding the Fourth Proportional to 9,800.46, 13,525.64 and 5,768.87

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Solution

The fourth proportional to 9,800.46, 13,525.64 and 5,768.87 is: 7,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.46 : 13,525.64 = 5,768.87 : x
  2. Step 2: Convert to fraction form
    9,800.46/13,525.64 = 5,768.87/x
  3. Step 3: Cross multiply
    9,800.46x = 13,525.64 × 5,768.87
  4. Step 4: Simplify right side
    9,800.46x = 78,027,658.83
  5. Step 5: Solve for x
    x = 78,027,658.83/9,800.46
  6. Step 6: Final answer
    x = 7,961.63

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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.