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Finding the Fourth Proportional to 53,883.96, 80,825.94 and 18,823.92

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Solution

The fourth proportional to 53,883.96, 80,825.94 and 18,823.92 is: 28,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.96 : 80,825.94 = 18,823.92 : x
  2. Step 2: Convert to fraction form
    53,883.96/80,825.94 = 18,823.92/x
  3. Step 3: Cross multiply
    53,883.96x = 80,825.94 × 18,823.92
  4. Step 4: Simplify right side
    53,883.96x = 1,521,461,028.48
  5. Step 5: Solve for x
    x = 1,521,461,028.48/53,883.96
  6. Step 6: Final answer
    x = 28,235.88

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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.