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Finding the Fourth Proportional to 53,809.31, 80,714.03 and 25,722.76

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Solution

The fourth proportional to 53,809.31, 80,714.03 and 25,722.76 is: 38,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,809.31 : 80,714.03 = 25,722.76 : x
  2. Step 2: Convert to fraction form
    53,809.31/80,714.03 = 25,722.76/x
  3. Step 3: Cross multiply
    53,809.31x = 80,714.03 × 25,722.76
  4. Step 4: Simplify right side
    53,809.31x = 2,076,187,484.84
  5. Step 5: Solve for x
    x = 2,076,187,484.84/53,809.31
  6. Step 6: Final answer
    x = 38,584.17

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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.