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Finding the Fourth Proportional to 4,719.93, 7,082.55 and 4,348.14

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Solution

The fourth proportional to 4,719.93, 7,082.55 and 4,348.14 is: 6,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.93 : 7,082.55 = 4,348.14 : x
  2. Step 2: Convert to fraction form
    4,719.93/7,082.55 = 4,348.14/x
  3. Step 3: Cross multiply
    4,719.93x = 7,082.55 × 4,348.14
  4. Step 4: Simplify right side
    4,719.93x = 30,795,918.96
  5. Step 5: Solve for x
    x = 30,795,918.96/4,719.93
  6. Step 6: Final answer
    x = 6,524.66

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1.5x scale

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.