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Finding the Fourth Proportional to 8,003.98, 12,005.94 and 3,070.92

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Solution

The fourth proportional to 8,003.98, 12,005.94 and 3,070.92 is: 4,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.98 : 12,005.94 = 3,070.92 : x
  2. Step 2: Convert to fraction form
    8,003.98/12,005.94 = 3,070.92/x
  3. Step 3: Cross multiply
    8,003.98x = 12,005.94 × 3,070.92
  4. Step 4: Simplify right side
    8,003.98x = 36,869,281.26
  5. Step 5: Solve for x
    x = 36,869,281.26/8,003.98
  6. Step 6: Final answer
    x = 4,606.37

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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.