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Finding the Fourth Proportional to 18,714.97, 28,076.88 and 6,064.71

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Solution

The fourth proportional to 18,714.97, 28,076.88 and 6,064.71 is: 9,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.97 : 28,076.88 = 6,064.71 : x
  2. Step 2: Convert to fraction form
    18,714.97/28,076.88 = 6,064.71/x
  3. Step 3: Cross multiply
    18,714.97x = 28,076.88 × 6,064.71
  4. Step 4: Simplify right side
    18,714.97x = 170,277,994.52
  5. Step 5: Solve for x
    x = 170,277,994.52/18,714.97
  6. Step 6: Final answer
    x = 9,098.49

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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.