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Finding the Fourth Proportional to 7,114.56, 10,620.49 and 6,795.04

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Solution

The fourth proportional to 7,114.56, 10,620.49 and 6,795.04 is: 10,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.56 : 10,620.49 = 6,795.04 : x
  2. Step 2: Convert to fraction form
    7,114.56/10,620.49 = 6,795.04/x
  3. Step 3: Cross multiply
    7,114.56x = 10,620.49 × 6,795.04
  4. Step 4: Simplify right side
    7,114.56x = 72,166,654.37
  5. Step 5: Solve for x
    x = 72,166,654.37/7,114.56
  6. Step 6: Final answer
    x = 10,143.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.