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Finding the Fourth Proportional to 6,359.34, 9,539.13 and 1,976.67

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Solution

The fourth proportional to 6,359.34, 9,539.13 and 1,976.67 is: 2,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.34 : 9,539.13 = 1,976.67 : x
  2. Step 2: Convert to fraction form
    6,359.34/9,539.13 = 1,976.67/x
  3. Step 3: Cross multiply
    6,359.34x = 9,539.13 × 1,976.67
  4. Step 4: Simplify right side
    6,359.34x = 18,855,712.10
  5. Step 5: Solve for x
    x = 18,855,712.10/6,359.34
  6. Step 6: Final answer
    x = 2,965.04

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Double scale
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Similar ratio
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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.