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Finding the Fourth Proportional to 8,000.10, 11,039.95 and 4,415.34

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Solution

The fourth proportional to 8,000.10, 11,039.95 and 4,415.34 is: 6,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.10 : 11,039.95 = 4,415.34 : x
  2. Step 2: Convert to fraction form
    8,000.10/11,039.95 = 4,415.34/x
  3. Step 3: Cross multiply
    8,000.10x = 11,039.95 × 4,415.34
  4. Step 4: Simplify right side
    8,000.10x = 48,745,171.47
  5. Step 5: Solve for x
    x = 48,745,171.47/8,000.10
  6. Step 6: Final answer
    x = 6,093.07

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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.