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Finding the Fourth Proportional to 6,365.96, 8,785.92 and 3,714.80

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Solution

The fourth proportional to 6,365.96, 8,785.92 and 3,714.80 is: 5,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.96 : 8,785.92 = 3,714.80 : x
  2. Step 2: Convert to fraction form
    6,365.96/8,785.92 = 3,714.80/x
  3. Step 3: Cross multiply
    6,365.96x = 8,785.92 × 3,714.80
  4. Step 4: Simplify right side
    6,365.96x = 32,637,935.62
  5. Step 5: Solve for x
    x = 32,637,935.62/6,365.96
  6. Step 6: Final answer
    x = 5,126.95

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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.