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Finding the Fourth Proportional to 4,892.53, 7,335.60 and 3,221.60

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Solution

The fourth proportional to 4,892.53, 7,335.60 and 3,221.60 is: 4,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.53 : 7,335.60 = 3,221.60 : x
  2. Step 2: Convert to fraction form
    4,892.53/7,335.60 = 3,221.60/x
  3. Step 3: Cross multiply
    4,892.53x = 7,335.60 × 3,221.60
  4. Step 4: Simplify right side
    4,892.53x = 23,632,332.28
  5. Step 5: Solve for x
    x = 23,632,332.28/4,892.53
  6. Step 6: Final answer
    x = 4,830.29

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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.