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Finding the Fourth Proportional to 18,051.64, 24,910.24 and 9,984.84

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Solution

The fourth proportional to 18,051.64, 24,910.24 and 9,984.84 is: 13,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.64 : 24,910.24 = 9,984.84 : x
  2. Step 2: Convert to fraction form
    18,051.64/24,910.24 = 9,984.84/x
  3. Step 3: Cross multiply
    18,051.64x = 24,910.24 × 9,984.84
  4. Step 4: Simplify right side
    18,051.64x = 248,724,760.76
  5. Step 5: Solve for x
    x = 248,724,760.76/18,051.64
  6. Step 6: Final answer
    x = 13,778.51

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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.