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Finding the Fourth Proportional to 6,368.09, 8,786.79 and 3,714.93

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Solution

The fourth proportional to 6,368.09, 8,786.79 and 3,714.93 is: 5,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.09 : 8,786.79 = 3,714.93 : x
  2. Step 2: Convert to fraction form
    6,368.09/8,786.79 = 3,714.93/x
  3. Step 3: Cross multiply
    6,368.09x = 8,786.79 × 3,714.93
  4. Step 4: Simplify right side
    6,368.09x = 32,642,309.77
  5. Step 5: Solve for x
    x = 32,642,309.77/6,368.09
  6. Step 6: Final answer
    x = 5,125.92

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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.