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Finding the Fourth Proportional to 4,768.92, 7,092.90 and 4,717.08

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Solution

The fourth proportional to 4,768.92, 7,092.90 and 4,717.08 is: 7,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.92 : 7,092.90 = 4,717.08 : x
  2. Step 2: Convert to fraction form
    4,768.92/7,092.90 = 4,717.08/x
  3. Step 3: Cross multiply
    4,768.92x = 7,092.90 × 4,717.08
  4. Step 4: Simplify right side
    4,768.92x = 33,457,776.73
  5. Step 5: Solve for x
    x = 33,457,776.73/4,768.92
  6. Step 6: Final answer
    x = 7,015.80

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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.