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Finding the Fourth Proportional to 4,822.60, 7,229.04 and 2,222.50

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Solution

The fourth proportional to 4,822.60, 7,229.04 and 2,222.50 is: 3,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.60 : 7,229.04 = 2,222.50 : x
  2. Step 2: Convert to fraction form
    4,822.60/7,229.04 = 2,222.50/x
  3. Step 3: Cross multiply
    4,822.60x = 7,229.04 × 2,222.50
  4. Step 4: Simplify right side
    4,822.60x = 16,066,541.40
  5. Step 5: Solve for x
    x = 16,066,541.40/4,822.60
  6. Step 6: Final answer
    x = 3,331.51

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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.