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Finding the Fourth Proportional to 73,588.83, 110,384.25 and 20,998.29

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Solution

The fourth proportional to 73,588.83, 110,384.25 and 20,998.29 is: 31,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.83 : 110,384.25 = 20,998.29 : x
  2. Step 2: Convert to fraction form
    73,588.83/110,384.25 = 20,998.29/x
  3. Step 3: Cross multiply
    73,588.83x = 110,384.25 × 20,998.29
  4. Step 4: Simplify right side
    73,588.83x = 2,317,880,492.93
  5. Step 5: Solve for x
    x = 2,317,880,492.93/73,588.83
  6. Step 6: Final answer
    x = 31,497.72

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Similar ratio
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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.