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Finding the Fourth Proportional to 5,884.60, 8,817.30 and 4,905.40

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Solution

The fourth proportional to 5,884.60, 8,817.30 and 4,905.40 is: 7,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.60 : 8,817.30 = 4,905.40 : x
  2. Step 2: Convert to fraction form
    5,884.60/8,817.30 = 4,905.40/x
  3. Step 3: Cross multiply
    5,884.60x = 8,817.30 × 4,905.40
  4. Step 4: Simplify right side
    5,884.60x = 43,252,383.42
  5. Step 5: Solve for x
    x = 43,252,383.42/5,884.60
  6. Step 6: Final answer
    x = 7,350.10

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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.