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Finding the Fourth Proportional to 7,035.96, 9,709.23 and 3,848.62

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Solution

The fourth proportional to 7,035.96, 9,709.23 and 3,848.62 is: 5,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.96 : 9,709.23 = 3,848.62 : x
  2. Step 2: Convert to fraction form
    7,035.96/9,709.23 = 3,848.62/x
  3. Step 3: Cross multiply
    7,035.96x = 9,709.23 × 3,848.62
  4. Step 4: Simplify right side
    7,035.96x = 37,367,136.76
  5. Step 5: Solve for x
    x = 37,367,136.76/7,035.96
  6. Step 6: Final answer
    x = 5,310.88

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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.