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Finding the Fourth Proportional to 45,289.40, 67,926.33 and 12,010.01

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Solution

The fourth proportional to 45,289.40, 67,926.33 and 12,010.01 is: 18,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,289.40 : 67,926.33 = 12,010.01 : x
  2. Step 2: Convert to fraction form
    45,289.40/67,926.33 = 12,010.01/x
  3. Step 3: Cross multiply
    45,289.40x = 67,926.33 × 12,010.01
  4. Step 4: Simplify right side
    45,289.40x = 815,795,562.93
  5. Step 5: Solve for x
    x = 815,795,562.93/45,289.40
  6. Step 6: Final answer
    x = 18,012.95

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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.