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Finding the Fourth Proportional to 53,880.20, 80,820.29 and 16,944.20

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Solution

The fourth proportional to 53,880.20, 80,820.29 and 16,944.20 is: 25,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.20 : 80,820.29 = 16,944.20 : x
  2. Step 2: Convert to fraction form
    53,880.20/80,820.29 = 16,944.20/x
  3. Step 3: Cross multiply
    53,880.20x = 80,820.29 × 16,944.20
  4. Step 4: Simplify right side
    53,880.20x = 1,369,434,669.00
  5. Step 5: Solve for x
    x = 1,369,434,669.00/53,880.20
  6. Step 6: Final answer
    x = 25,416.29

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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.