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Finding the Fourth Proportional to 45,059.45, 67,598.82 and 13,471.97

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Solution

The fourth proportional to 45,059.45, 67,598.82 and 13,471.97 is: 20,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,059.45 : 67,598.82 = 13,471.97 : x
  2. Step 2: Convert to fraction form
    45,059.45/67,598.82 = 13,471.97/x
  3. Step 3: Cross multiply
    45,059.45x = 67,598.82 × 13,471.97
  4. Step 4: Simplify right side
    45,059.45x = 910,688,937.08
  5. Step 5: Solve for x
    x = 910,688,937.08/45,059.45
  6. Step 6: Final answer
    x = 20,210.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.