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Finding the Fourth Proportional to 6,903.21, 10,359.99 and 5,059.02

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Solution

The fourth proportional to 6,903.21, 10,359.99 and 5,059.02 is: 7,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.21 : 10,359.99 = 5,059.02 : x
  2. Step 2: Convert to fraction form
    6,903.21/10,359.99 = 5,059.02/x
  3. Step 3: Cross multiply
    6,903.21x = 10,359.99 × 5,059.02
  4. Step 4: Simplify right side
    6,903.21x = 52,411,396.61
  5. Step 5: Solve for x
    x = 52,411,396.61/6,903.21
  6. Step 6: Final answer
    x = 7,592.32

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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.