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Finding the Fourth Proportional to 5,657.67, 8,483.40 and 1,959.57

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Solution

The fourth proportional to 5,657.67, 8,483.40 and 1,959.57 is: 2,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.67 : 8,483.40 = 1,959.57 : x
  2. Step 2: Convert to fraction form
    5,657.67/8,483.40 = 1,959.57/x
  3. Step 3: Cross multiply
    5,657.67x = 8,483.40 × 1,959.57
  4. Step 4: Simplify right side
    5,657.67x = 16,623,816.14
  5. Step 5: Solve for x
    x = 16,623,816.14/5,657.67
  6. Step 6: Final answer
    x = 2,938.28

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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.