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Finding the Fourth Proportional to 15,361.10, 23,035.89 and 6,591.50

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Solution

The fourth proportional to 15,361.10, 23,035.89 and 6,591.50 is: 9,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.10 : 23,035.89 = 6,591.50 : x
  2. Step 2: Convert to fraction form
    15,361.10/23,035.89 = 6,591.50/x
  3. Step 3: Cross multiply
    15,361.10x = 23,035.89 × 6,591.50
  4. Step 4: Simplify right side
    15,361.10x = 151,841,068.94
  5. Step 5: Solve for x
    x = 151,841,068.94/15,361.10
  6. Step 6: Final answer
    x = 9,884.78

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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.