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Finding the Fourth Proportional to 5,750.30, 7,935.09 and 3,511.46

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Solution

The fourth proportional to 5,750.30, 7,935.09 and 3,511.46 is: 4,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.30 : 7,935.09 = 3,511.46 : x
  2. Step 2: Convert to fraction form
    5,750.30/7,935.09 = 3,511.46/x
  3. Step 3: Cross multiply
    5,750.30x = 7,935.09 × 3,511.46
  4. Step 4: Simplify right side
    5,750.30x = 27,863,751.13
  5. Step 5: Solve for x
    x = 27,863,751.13/5,750.30
  6. Step 6: Final answer
    x = 4,845.62

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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.