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Finding the Fourth Proportional to 47,529, 71,294.51 and 17,960.76

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Solution

The fourth proportional to 47,529, 71,294.51 and 17,960.76 is: 26,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529 : 71,294.51 = 17,960.76 : x
  2. Step 2: Convert to fraction form
    47,529/71,294.51 = 17,960.76/x
  3. Step 3: Cross multiply
    47,529x = 71,294.51 × 17,960.76
  4. Step 4: Simplify right side
    47,529x = 1,280,503,628.33
  5. Step 5: Solve for x
    x = 1,280,503,628.33/47,529
  6. Step 6: Final answer
    x = 26,941.52

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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.