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Finding the Fourth Proportional to 5,283.08, 7,928.70 and 2,511.08

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Solution

The fourth proportional to 5,283.08, 7,928.70 and 2,511.08 is: 3,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.08 : 7,928.70 = 2,511.08 : x
  2. Step 2: Convert to fraction form
    5,283.08/7,928.70 = 2,511.08/x
  3. Step 3: Cross multiply
    5,283.08x = 7,928.70 × 2,511.08
  4. Step 4: Simplify right side
    5,283.08x = 19,909,600.00
  5. Step 5: Solve for x
    x = 19,909,600.00/5,283.08
  6. Step 6: Final answer
    x = 3,768.56

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1.5x scale

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.