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Finding the Fourth Proportional to 9,760.70, 13,467.03 and 6,402.98

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Solution

The fourth proportional to 9,760.70, 13,467.03 and 6,402.98 is: 8,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.70 : 13,467.03 = 6,402.98 : x
  2. Step 2: Convert to fraction form
    9,760.70/13,467.03 = 6,402.98/x
  3. Step 3: Cross multiply
    9,760.70x = 13,467.03 × 6,402.98
  4. Step 4: Simplify right side
    9,760.70x = 86,229,123.75
  5. Step 5: Solve for x
    x = 86,229,123.75/9,760.70
  6. Step 6: Final answer
    x = 8,834.32

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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.