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Finding the Fourth Proportional to 7,157.15, 9,876.83 and 4,508.04

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Solution

The fourth proportional to 7,157.15, 9,876.83 and 4,508.04 is: 6,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.15 : 9,876.83 = 4,508.04 : x
  2. Step 2: Convert to fraction form
    7,157.15/9,876.83 = 4,508.04/x
  3. Step 3: Cross multiply
    7,157.15x = 9,876.83 × 4,508.04
  4. Step 4: Simplify right side
    7,157.15x = 44,525,122.17
  5. Step 5: Solve for x
    x = 44,525,122.17/7,157.15
  6. Step 6: Final answer
    x = 6,221.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.