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Finding the Fourth Proportional to 10,604.55, 15,904.08 and 4,361.14

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Solution

The fourth proportional to 10,604.55, 15,904.08 and 4,361.14 is: 6,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.55 : 15,904.08 = 4,361.14 : x
  2. Step 2: Convert to fraction form
    10,604.55/15,904.08 = 4,361.14/x
  3. Step 3: Cross multiply
    10,604.55x = 15,904.08 × 4,361.14
  4. Step 4: Simplify right side
    10,604.55x = 69,359,939.33
  5. Step 5: Solve for x
    x = 69,359,939.33/10,604.55
  6. Step 6: Final answer
    x = 6,540.58

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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.