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Finding the Fourth Proportional to 8,300.05, 12,450.08 and 2,457.11

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Solution

The fourth proportional to 8,300.05, 12,450.08 and 2,457.11 is: 3,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.05 : 12,450.08 = 2,457.11 : x
  2. Step 2: Convert to fraction form
    8,300.05/12,450.08 = 2,457.11/x
  3. Step 3: Cross multiply
    8,300.05x = 12,450.08 × 2,457.11
  4. Step 4: Simplify right side
    8,300.05x = 30,591,253.34
  5. Step 5: Solve for x
    x = 30,591,253.34/8,300.05
  6. Step 6: Final answer
    x = 3,685.67

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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.