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Finding the Fourth Proportional to 5,133.36, 7,659.77 and 4,819.92

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Solution

The fourth proportional to 5,133.36, 7,659.77 and 4,819.92 is: 7,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.36 : 7,659.77 = 4,819.92 : x
  2. Step 2: Convert to fraction form
    5,133.36/7,659.77 = 4,819.92/x
  3. Step 3: Cross multiply
    5,133.36x = 7,659.77 × 4,819.92
  4. Step 4: Simplify right side
    5,133.36x = 36,919,478.62
  5. Step 5: Solve for x
    x = 36,919,478.62/5,133.36
  6. Step 6: Final answer
    x = 7,192.07

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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.