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Finding the Fourth Proportional to 15,963.75, 23,945.73 and 5,575.50

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Solution

The fourth proportional to 15,963.75, 23,945.73 and 5,575.50 is: 8,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.75 : 23,945.73 = 5,575.50 : x
  2. Step 2: Convert to fraction form
    15,963.75/23,945.73 = 5,575.50/x
  3. Step 3: Cross multiply
    15,963.75x = 23,945.73 × 5,575.50
  4. Step 4: Simplify right side
    15,963.75x = 133,509,396.71
  5. Step 5: Solve for x
    x = 133,509,396.71/15,963.75
  6. Step 6: Final answer
    x = 8,363.29

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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.