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Finding the Fourth Proportional to 9,808.04, 14,712.05 and 3,964.64

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Solution

The fourth proportional to 9,808.04, 14,712.05 and 3,964.64 is: 5,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.04 : 14,712.05 = 3,964.64 : x
  2. Step 2: Convert to fraction form
    9,808.04/14,712.05 = 3,964.64/x
  3. Step 3: Cross multiply
    9,808.04x = 14,712.05 × 3,964.64
  4. Step 4: Simplify right side
    9,808.04x = 58,327,998.87
  5. Step 5: Solve for x
    x = 58,327,998.87/9,808.04
  6. Step 6: Final answer
    x = 5,946.96

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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.