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Finding the Fourth Proportional to 8,884.53, 12,260.84 and 4,905.90

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Solution

The fourth proportional to 8,884.53, 12,260.84 and 4,905.90 is: 6,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.53 : 12,260.84 = 4,905.90 : x
  2. Step 2: Convert to fraction form
    8,884.53/12,260.84 = 4,905.90/x
  3. Step 3: Cross multiply
    8,884.53x = 12,260.84 × 4,905.90
  4. Step 4: Simplify right side
    8,884.53x = 60,150,430.43
  5. Step 5: Solve for x
    x = 60,150,430.43/8,884.53
  6. Step 6: Final answer
    x = 6,770.24

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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.