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Finding the Fourth Proportional to 8,005.98, 12,010.74 and 2,459.82

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Solution

The fourth proportional to 8,005.98, 12,010.74 and 2,459.82 is: 3,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.98 : 12,010.74 = 2,459.82 : x
  2. Step 2: Convert to fraction form
    8,005.98/12,010.74 = 2,459.82/x
  3. Step 3: Cross multiply
    8,005.98x = 12,010.74 × 2,459.82
  4. Step 4: Simplify right side
    8,005.98x = 29,544,258.47
  5. Step 5: Solve for x
    x = 29,544,258.47/8,005.98
  6. Step 6: Final answer
    x = 3,690.27

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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.