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Finding the Fourth Proportional to 5,359.11, 8,041.70 and 2,893.88

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Solution

The fourth proportional to 5,359.11, 8,041.70 and 2,893.88 is: 4,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.11 : 8,041.70 = 2,893.88 : x
  2. Step 2: Convert to fraction form
    5,359.11/8,041.70 = 2,893.88/x
  3. Step 3: Cross multiply
    5,359.11x = 8,041.70 × 2,893.88
  4. Step 4: Simplify right side
    5,359.11x = 23,271,674.59
  5. Step 5: Solve for x
    x = 23,271,674.59/5,359.11
  6. Step 6: Final answer
    x = 4,342.45

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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.