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Finding the Fourth Proportional to 5,917.56, 8,874.78 and 1,756.46

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Solution

The fourth proportional to 5,917.56, 8,874.78 and 1,756.46 is: 2,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.56 : 8,874.78 = 1,756.46 : x
  2. Step 2: Convert to fraction form
    5,917.56/8,874.78 = 1,756.46/x
  3. Step 3: Cross multiply
    5,917.56x = 8,874.78 × 1,756.46
  4. Step 4: Simplify right side
    5,917.56x = 15,588,151.70
  5. Step 5: Solve for x
    x = 15,588,151.70/5,917.56
  6. Step 6: Final answer
    x = 2,634.22

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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.