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Finding the Fourth Proportional to 29,293.40, 43,940.10 and 14,512.70

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Solution

The fourth proportional to 29,293.40, 43,940.10 and 14,512.70 is: 21,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.40 : 43,940.10 = 14,512.70 : x
  2. Step 2: Convert to fraction form
    29,293.40/43,940.10 = 14,512.70/x
  3. Step 3: Cross multiply
    29,293.40x = 43,940.10 × 14,512.70
  4. Step 4: Simplify right side
    29,293.40x = 637,689,489.27
  5. Step 5: Solve for x
    x = 637,689,489.27/29,293.40
  6. Step 6: Final answer
    x = 21,769.05

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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.