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Finding the Fourth Proportional to 14,622.54, 21,943.54 and 7,960.72

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Solution

The fourth proportional to 14,622.54, 21,943.54 and 7,960.72 is: 11,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.54 : 21,943.54 = 7,960.72 : x
  2. Step 2: Convert to fraction form
    14,622.54/21,943.54 = 7,960.72/x
  3. Step 3: Cross multiply
    14,622.54x = 21,943.54 × 7,960.72
  4. Step 4: Simplify right side
    14,622.54x = 174,686,377.75
  5. Step 5: Solve for x
    x = 174,686,377.75/14,622.54
  6. Step 6: Final answer
    x = 11,946.38

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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.