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Finding the Fourth Proportional to 4,821.86, 7,232.79 and 4,575.62

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Solution

The fourth proportional to 4,821.86, 7,232.79 and 4,575.62 is: 6,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.86 : 7,232.79 = 4,575.62 : x
  2. Step 2: Convert to fraction form
    4,821.86/7,232.79 = 4,575.62/x
  3. Step 3: Cross multiply
    4,821.86x = 7,232.79 × 4,575.62
  4. Step 4: Simplify right side
    4,821.86x = 33,094,498.58
  5. Step 5: Solve for x
    x = 33,094,498.58/4,821.86
  6. Step 6: Final answer
    x = 6,863.43

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Similar ratio
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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.