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Finding the Fourth Proportional to 45,519, 68,263.71 and 17,437.56

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Solution

The fourth proportional to 45,519, 68,263.71 and 17,437.56 is: 26,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519 : 68,263.71 = 17,437.56 : x
  2. Step 2: Convert to fraction form
    45,519/68,263.71 = 17,437.56/x
  3. Step 3: Cross multiply
    45,519x = 68,263.71 × 17,437.56
  4. Step 4: Simplify right side
    45,519x = 1,190,352,538.95
  5. Step 5: Solve for x
    x = 1,190,352,538.95/45,519
  6. Step 6: Final answer
    x = 26,150.67

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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.