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Finding the Fourth Proportional to 8,861.01, 12,228.12 and 4,882.03

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Solution

The fourth proportional to 8,861.01, 12,228.12 and 4,882.03 is: 6,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.01 : 12,228.12 = 4,882.03 : x
  2. Step 2: Convert to fraction form
    8,861.01/12,228.12 = 4,882.03/x
  3. Step 3: Cross multiply
    8,861.01x = 12,228.12 × 4,882.03
  4. Step 4: Simplify right side
    8,861.01x = 59,698,048.68
  5. Step 5: Solve for x
    x = 59,698,048.68/8,861.01
  6. Step 6: Final answer
    x = 6,737.16

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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.