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Finding the Fourth Proportional to 8,714.87, 12,026.49 and 4,735.99

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Solution

The fourth proportional to 8,714.87, 12,026.49 and 4,735.99 is: 6,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.87 : 12,026.49 = 4,735.99 : x
  2. Step 2: Convert to fraction form
    8,714.87/12,026.49 = 4,735.99/x
  3. Step 3: Cross multiply
    8,714.87x = 12,026.49 × 4,735.99
  4. Step 4: Simplify right side
    8,714.87x = 56,957,336.38
  5. Step 5: Solve for x
    x = 56,957,336.38/8,714.87
  6. Step 6: Final answer
    x = 6,535.65

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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.