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Finding the Fourth Proportional to 47,513.74, 71,213.74 and 22,179.17

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Solution

The fourth proportional to 47,513.74, 71,213.74 and 22,179.17 is: 33,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,513.74 : 71,213.74 = 22,179.17 : x
  2. Step 2: Convert to fraction form
    47,513.74/71,213.74 = 22,179.17/x
  3. Step 3: Cross multiply
    47,513.74x = 71,213.74 × 22,179.17
  4. Step 4: Simplify right side
    47,513.74x = 1,579,461,593.27
  5. Step 5: Solve for x
    x = 1,579,461,593.27/47,513.74
  6. Step 6: Final answer
    x = 33,242.21

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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.