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Finding the Fourth Proportional to 4,709.55, 6,503.31 and 2,944.17

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Solution

The fourth proportional to 4,709.55, 6,503.31 and 2,944.17 is: 4,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.55 : 6,503.31 = 2,944.17 : x
  2. Step 2: Convert to fraction form
    4,709.55/6,503.31 = 2,944.17/x
  3. Step 3: Cross multiply
    4,709.55x = 6,503.31 × 2,944.17
  4. Step 4: Simplify right side
    4,709.55x = 19,146,850.20
  5. Step 5: Solve for x
    x = 19,146,850.20/4,709.55
  6. Step 6: Final answer
    x = 4,065.54

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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.