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Finding the Fourth Proportional to 53,505.50, 73,835.42 and 29,630.75

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Solution

The fourth proportional to 53,505.50, 73,835.42 and 29,630.75 is: 40,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505.50 : 73,835.42 = 29,630.75 : x
  2. Step 2: Convert to fraction form
    53,505.50/73,835.42 = 29,630.75/x
  3. Step 3: Cross multiply
    53,505.50x = 73,835.42 × 29,630.75
  4. Step 4: Simplify right side
    53,505.50x = 2,187,798,353.83
  5. Step 5: Solve for x
    x = 2,187,798,353.83/53,505.50
  6. Step 6: Final answer
    x = 40,889.23

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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.