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Finding the Fourth Proportional to 8,575.86, 11,833.02 and 4,799.20

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Solution

The fourth proportional to 8,575.86, 11,833.02 and 4,799.20 is: 6,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.86 : 11,833.02 = 4,799.20 : x
  2. Step 2: Convert to fraction form
    8,575.86/11,833.02 = 4,799.20/x
  3. Step 3: Cross multiply
    8,575.86x = 11,833.02 × 4,799.20
  4. Step 4: Simplify right side
    8,575.86x = 56,789,029.58
  5. Step 5: Solve for x
    x = 56,789,029.58/8,575.86
  6. Step 6: Final answer
    x = 6,621.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.