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Finding the Fourth Proportional to 53,109, 73,295.30 and 29,240.52

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Solution

The fourth proportional to 53,109, 73,295.30 and 29,240.52 is: 40,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109 : 73,295.30 = 29,240.52 : x
  2. Step 2: Convert to fraction form
    53,109/73,295.30 = 29,240.52/x
  3. Step 3: Cross multiply
    53,109x = 73,295.30 × 29,240.52
  4. Step 4: Simplify right side
    53,109x = 2,143,192,685.56
  5. Step 5: Solve for x
    x = 2,143,192,685.56/53,109
  6. Step 6: Final answer
    x = 40,354.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.