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Finding the Fourth Proportional to 4,733.92, 7,097.52 and 1,809.76

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Solution

The fourth proportional to 4,733.92, 7,097.52 and 1,809.76 is: 2,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,733.92 : 7,097.52 = 1,809.76 : x
  2. Step 2: Convert to fraction form
    4,733.92/7,097.52 = 1,809.76/x
  3. Step 3: Cross multiply
    4,733.92x = 7,097.52 × 1,809.76
  4. Step 4: Simplify right side
    4,733.92x = 12,844,807.80
  5. Step 5: Solve for x
    x = 12,844,807.80/4,733.92
  6. Step 6: Final answer
    x = 2,713.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.