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Finding the Fourth Proportional to 29,292, 43,945.49 and 8,515.50

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Solution

The fourth proportional to 29,292, 43,945.49 and 8,515.50 is: 12,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292 : 43,945.49 = 8,515.50 : x
  2. Step 2: Convert to fraction form
    29,292/43,945.49 = 8,515.50/x
  3. Step 3: Cross multiply
    29,292x = 43,945.49 × 8,515.50
  4. Step 4: Simplify right side
    29,292x = 374,217,841.38
  5. Step 5: Solve for x
    x = 374,217,841.38/29,292
  6. Step 6: Final answer
    x = 12,775.43

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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.