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Finding the Fourth Proportional to 5,329.84, 7,352.85 and 5,082.79

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Solution

The fourth proportional to 5,329.84, 7,352.85 and 5,082.79 is: 7,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.84 : 7,352.85 = 5,082.79 : x
  2. Step 2: Convert to fraction form
    5,329.84/7,352.85 = 5,082.79/x
  3. Step 3: Cross multiply
    5,329.84x = 7,352.85 × 5,082.79
  4. Step 4: Simplify right side
    5,329.84x = 37,372,992.45
  5. Step 5: Solve for x
    x = 37,372,992.45/5,329.84
  6. Step 6: Final answer
    x = 7,012.03

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1.5x scale

Why These Related Problems?

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