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Finding the Fourth Proportional to 3,677.88, 5,512.48 and 1,483.68

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Solution

The fourth proportional to 3,677.88, 5,512.48 and 1,483.68 is: 2,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.88 : 5,512.48 = 1,483.68 : x
  2. Step 2: Convert to fraction form
    3,677.88/5,512.48 = 1,483.68/x
  3. Step 3: Cross multiply
    3,677.88x = 5,512.48 × 1,483.68
  4. Step 4: Simplify right side
    3,677.88x = 8,178,756.33
  5. Step 5: Solve for x
    x = 8,178,756.33/3,677.88
  6. Step 6: Final answer
    x = 2,223.77

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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.