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Finding the Fourth Proportional to 48,940.70, 73,411.05 and 29,209.10

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Solution

The fourth proportional to 48,940.70, 73,411.05 and 29,209.10 is: 43,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.70 : 73,411.05 = 29,209.10 : x
  2. Step 2: Convert to fraction form
    48,940.70/73,411.05 = 29,209.10/x
  3. Step 3: Cross multiply
    48,940.70x = 73,411.05 × 29,209.10
  4. Step 4: Simplify right side
    48,940.70x = 2,144,270,700.56
  5. Step 5: Solve for x
    x = 2,144,270,700.56/48,940.70
  6. Step 6: Final answer
    x = 43,813.65

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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.