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Finding the Fourth Proportional to 8,475.83, 12,714.48 and 2,235.74

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Solution

The fourth proportional to 8,475.83, 12,714.48 and 2,235.74 is: 3,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.83 : 12,714.48 = 2,235.74 : x
  2. Step 2: Convert to fraction form
    8,475.83/12,714.48 = 2,235.74/x
  3. Step 3: Cross multiply
    8,475.83x = 12,714.48 × 2,235.74
  4. Step 4: Simplify right side
    8,475.83x = 28,426,207.94
  5. Step 5: Solve for x
    x = 28,426,207.94/8,475.83
  6. Step 6: Final answer
    x = 3,353.80

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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.