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Finding the Fourth Proportional to 5,059.05, 6,980.34 and 2,934.93

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Solution

The fourth proportional to 5,059.05, 6,980.34 and 2,934.93 is: 4,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.05 : 6,980.34 = 2,934.93 : x
  2. Step 2: Convert to fraction form
    5,059.05/6,980.34 = 2,934.93/x
  3. Step 3: Cross multiply
    5,059.05x = 6,980.34 × 2,934.93
  4. Step 4: Simplify right side
    5,059.05x = 20,486,809.28
  5. Step 5: Solve for x
    x = 20,486,809.28/5,059.05
  6. Step 6: Final answer
    x = 4,049.54

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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.