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Finding the Fourth Proportional to 7,577.45, 10,452 and 4,892.09

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Solution

The fourth proportional to 7,577.45, 10,452 and 4,892.09 is: 6,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.45 : 10,452 = 4,892.09 : x
  2. Step 2: Convert to fraction form
    7,577.45/10,452 = 4,892.09/x
  3. Step 3: Cross multiply
    7,577.45x = 10,452 × 4,892.09
  4. Step 4: Simplify right side
    7,577.45x = 51,132,124.68
  5. Step 5: Solve for x
    x = 51,132,124.68/7,577.45
  6. Step 6: Final answer
    x = 6,747.93

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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.