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Finding the Fourth Proportional to 44,812.31, 67,228.45 and 13,649.99

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Solution

The fourth proportional to 44,812.31, 67,228.45 and 13,649.99 is: 20,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,812.31 : 67,228.45 = 13,649.99 : x
  2. Step 2: Convert to fraction form
    44,812.31/67,228.45 = 13,649.99/x
  3. Step 3: Cross multiply
    44,812.31x = 67,228.45 × 13,649.99
  4. Step 4: Simplify right side
    44,812.31x = 917,667,299.95
  5. Step 5: Solve for x
    x = 917,667,299.95/44,812.31
  6. Step 6: Final answer
    x = 20,478.02

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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.