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Finding the Fourth Proportional to 6,223.03, 8,578.51 and 3,984.39

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Solution

The fourth proportional to 6,223.03, 8,578.51 and 3,984.39 is: 5,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.03 : 8,578.51 = 3,984.39 : x
  2. Step 2: Convert to fraction form
    6,223.03/8,578.51 = 3,984.39/x
  3. Step 3: Cross multiply
    6,223.03x = 8,578.51 × 3,984.39
  4. Step 4: Simplify right side
    6,223.03x = 34,180,119.50
  5. Step 5: Solve for x
    x = 34,180,119.50/6,223.03
  6. Step 6: Final answer
    x = 5,492.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.