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Finding the Fourth Proportional to 53,800.88, 80,714.28 and 16,864.88

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Solution

The fourth proportional to 53,800.88, 80,714.28 and 16,864.88 is: 25,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.88 : 80,714.28 = 16,864.88 : x
  2. Step 2: Convert to fraction form
    53,800.88/80,714.28 = 16,864.88/x
  3. Step 3: Cross multiply
    53,800.88x = 80,714.28 × 16,864.88
  4. Step 4: Simplify right side
    53,800.88x = 1,361,236,242.92
  5. Step 5: Solve for x
    x = 1,361,236,242.92/53,800.88
  6. Step 6: Final answer
    x = 25,301.38

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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.