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Finding the Fourth Proportional to 4,883.72, 7,323.12 and 1,959.60

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Solution

The fourth proportional to 4,883.72, 7,323.12 and 1,959.60 is: 2,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.72 : 7,323.12 = 1,959.60 : x
  2. Step 2: Convert to fraction form
    4,883.72/7,323.12 = 1,959.60/x
  3. Step 3: Cross multiply
    4,883.72x = 7,323.12 × 1,959.60
  4. Step 4: Simplify right side
    4,883.72x = 14,350,385.95
  5. Step 5: Solve for x
    x = 14,350,385.95/4,883.72
  6. Step 6: Final answer
    x = 2,938.41

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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.