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Finding the Fourth Proportional to 6,469.91, 9,648.23 and 6,410.79

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Solution

The fourth proportional to 6,469.91, 9,648.23 and 6,410.79 is: 9,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.91 : 9,648.23 = 6,410.79 : x
  2. Step 2: Convert to fraction form
    6,469.91/9,648.23 = 6,410.79/x
  3. Step 3: Cross multiply
    6,469.91x = 9,648.23 × 6,410.79
  4. Step 4: Simplify right side
    6,469.91x = 61,852,776.40
  5. Step 5: Solve for x
    x = 61,852,776.40/6,469.91
  6. Step 6: Final answer
    x = 9,560.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.