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Finding the Fourth Proportional to 14,998.55, 22,497.82 and 3,905.20

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Solution

The fourth proportional to 14,998.55, 22,497.82 and 3,905.20 is: 5,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.55 : 22,497.82 = 3,905.20 : x
  2. Step 2: Convert to fraction form
    14,998.55/22,497.82 = 3,905.20/x
  3. Step 3: Cross multiply
    14,998.55x = 22,497.82 × 3,905.20
  4. Step 4: Simplify right side
    14,998.55x = 87,858,600.76
  5. Step 5: Solve for x
    x = 87,858,600.76/14,998.55
  6. Step 6: Final answer
    x = 5,857.81

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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.