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Finding the Fourth Proportional to 53,503.92, 73,758.48 and 37,538.88

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Solution

The fourth proportional to 53,503.92, 73,758.48 and 37,538.88 is: 51,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,503.92 : 73,758.48 = 37,538.88 : x
  2. Step 2: Convert to fraction form
    53,503.92/73,758.48 = 37,538.88/x
  3. Step 3: Cross multiply
    53,503.92x = 73,758.48 × 37,538.88
  4. Step 4: Simplify right side
    53,503.92x = 2,768,810,729.70
  5. Step 5: Solve for x
    x = 2,768,810,729.70/53,503.92
  6. Step 6: Final answer
    x = 51,749.68

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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.