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Finding the Fourth Proportional to 53,239.68, 73,432.80 and 37,327.68

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Solution

The fourth proportional to 53,239.68, 73,432.80 and 37,327.68 is: 51,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.68 : 73,432.80 = 37,327.68 : x
  2. Step 2: Convert to fraction form
    53,239.68/73,432.80 = 37,327.68/x
  3. Step 3: Cross multiply
    53,239.68x = 73,432.80 × 37,327.68
  4. Step 4: Simplify right side
    53,239.68x = 2,741,076,059.90
  5. Step 5: Solve for x
    x = 2,741,076,059.90/53,239.68
  6. Step 6: Final answer
    x = 51,485.58

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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.