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Finding the Fourth Proportional to 6,358.96, 9,539.66 and 1,976.25

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Solution

The fourth proportional to 6,358.96, 9,539.66 and 1,976.25 is: 2,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.96 : 9,539.66 = 1,976.25 : x
  2. Step 2: Convert to fraction form
    6,358.96/9,539.66 = 1,976.25/x
  3. Step 3: Cross multiply
    6,358.96x = 9,539.66 × 1,976.25
  4. Step 4: Simplify right side
    6,358.96x = 18,852,753.08
  5. Step 5: Solve for x
    x = 18,852,753.08/6,358.96
  6. Step 6: Final answer
    x = 2,964.75

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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.