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Finding the Fourth Proportional to 45,491.52, 68,223.51 and 15,903.84

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Solution

The fourth proportional to 45,491.52, 68,223.51 and 15,903.84 is: 23,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.52 : 68,223.51 = 15,903.84 : x
  2. Step 2: Convert to fraction form
    45,491.52/68,223.51 = 15,903.84/x
  3. Step 3: Cross multiply
    45,491.52x = 68,223.51 × 15,903.84
  4. Step 4: Simplify right side
    45,491.52x = 1,085,015,787.28
  5. Step 5: Solve for x
    x = 1,085,015,787.28/45,491.52
  6. Step 6: Final answer
    x = 23,850.95

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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.