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Finding the Fourth Proportional to 53,393.68, 73,677 and 29,520.48

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Solution

The fourth proportional to 53,393.68, 73,677 and 29,520.48 is: 40,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.68 : 73,677 = 29,520.48 : x
  2. Step 2: Convert to fraction form
    53,393.68/73,677 = 29,520.48/x
  3. Step 3: Cross multiply
    53,393.68x = 73,677 × 29,520.48
  4. Step 4: Simplify right side
    53,393.68x = 2,174,980,404.96
  5. Step 5: Solve for x
    x = 2,174,980,404.96/53,393.68
  6. Step 6: Final answer
    x = 40,734.79

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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.