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Finding the Fourth Proportional to 45,509.68, 68,295.28 and 15,927.78

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Solution

The fourth proportional to 45,509.68, 68,295.28 and 15,927.78 is: 23,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.68 : 68,295.28 = 15,927.78 : x
  2. Step 2: Convert to fraction form
    45,509.68/68,295.28 = 15,927.78/x
  3. Step 3: Cross multiply
    45,509.68x = 68,295.28 × 15,927.78
  4. Step 4: Simplify right side
    45,509.68x = 1,087,792,194.88
  5. Step 5: Solve for x
    x = 1,087,792,194.88/45,509.68
  6. Step 6: Final answer
    x = 23,902.44

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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.