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Finding the Fourth Proportional to 7,158.58, 10,734.54 and 2,717.08

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Solution

The fourth proportional to 7,158.58, 10,734.54 and 2,717.08 is: 4,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.58 : 10,734.54 = 2,717.08 : x
  2. Step 2: Convert to fraction form
    7,158.58/10,734.54 = 2,717.08/x
  3. Step 3: Cross multiply
    7,158.58x = 10,734.54 × 2,717.08
  4. Step 4: Simplify right side
    7,158.58x = 29,166,603.94
  5. Step 5: Solve for x
    x = 29,166,603.94/7,158.58
  6. Step 6: Final answer
    x = 4,074.36

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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.