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Finding the Fourth Proportional to 7,893.04, 11,835.91 and 2,959.15

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Solution

The fourth proportional to 7,893.04, 11,835.91 and 2,959.15 is: 4,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.04 : 11,835.91 = 2,959.15 : x
  2. Step 2: Convert to fraction form
    7,893.04/11,835.91 = 2,959.15/x
  3. Step 3: Cross multiply
    7,893.04x = 11,835.91 × 2,959.15
  4. Step 4: Simplify right side
    7,893.04x = 35,024,166.50
  5. Step 5: Solve for x
    x = 35,024,166.50/7,893.04
  6. Step 6: Final answer
    x = 4,437.35

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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.