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Finding the Fourth Proportional to 7,763.03, 11,645.91 and 2,835.90

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Solution

The fourth proportional to 7,763.03, 11,645.91 and 2,835.90 is: 4,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.03 : 11,645.91 = 2,835.90 : x
  2. Step 2: Convert to fraction form
    7,763.03/11,645.91 = 2,835.90/x
  3. Step 3: Cross multiply
    7,763.03x = 11,645.91 × 2,835.90
  4. Step 4: Simplify right side
    7,763.03x = 33,026,636.17
  5. Step 5: Solve for x
    x = 33,026,636.17/7,763.03
  6. Step 6: Final answer
    x = 4,254.35

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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.