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Finding the Fourth Proportional to 53,459.96, 80,189.58 and 41,783

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Solution

The fourth proportional to 53,459.96, 80,189.58 and 41,783 is: 62,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.96 : 80,189.58 = 41,783 : x
  2. Step 2: Convert to fraction form
    53,459.96/80,189.58 = 41,783/x
  3. Step 3: Cross multiply
    53,459.96x = 80,189.58 × 41,783
  4. Step 4: Simplify right side
    53,459.96x = 3,350,561,221.14
  5. Step 5: Solve for x
    x = 3,350,561,221.14/53,459.96
  6. Step 6: Final answer
    x = 62,674.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.