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Finding the Fourth Proportional to 73,588.58, 110,383.88 and 20,998.04

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Solution

The fourth proportional to 73,588.58, 110,383.88 and 20,998.04 is: 31,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.58 : 110,383.88 = 20,998.04 : x
  2. Step 2: Convert to fraction form
    73,588.58/110,383.88 = 20,998.04/x
  3. Step 3: Cross multiply
    73,588.58x = 110,383.88 × 20,998.04
  4. Step 4: Simplify right side
    73,588.58x = 2,317,845,298.56
  5. Step 5: Solve for x
    x = 2,317,845,298.56/73,588.58
  6. Step 6: Final answer
    x = 31,497.35

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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.