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Finding the Fourth Proportional to 7,846.79, 10,829.23 and 4,310.73

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Solution

The fourth proportional to 7,846.79, 10,829.23 and 4,310.73 is: 5,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.79 : 10,829.23 = 4,310.73 : x
  2. Step 2: Convert to fraction form
    7,846.79/10,829.23 = 4,310.73/x
  3. Step 3: Cross multiply
    7,846.79x = 10,829.23 × 4,310.73
  4. Step 4: Simplify right side
    7,846.79x = 46,681,875.86
  5. Step 5: Solve for x
    x = 46,681,875.86/7,846.79
  6. Step 6: Final answer
    x = 5,949.17

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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.