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Finding the Fourth Proportional to 53,434.88, 73,739 and 29,560.88

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Solution

The fourth proportional to 53,434.88, 73,739 and 29,560.88 is: 40,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.88 : 73,739 = 29,560.88 : x
  2. Step 2: Convert to fraction form
    53,434.88/73,739 = 29,560.88/x
  3. Step 3: Cross multiply
    53,434.88x = 73,739 × 29,560.88
  4. Step 4: Simplify right side
    53,434.88x = 2,179,789,730.32
  5. Step 5: Solve for x
    x = 2,179,789,730.32/53,434.88
  6. Step 6: Final answer
    x = 40,793.39

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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.