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Finding the Fourth Proportional to 6,368.63, 8,789.51 and 3,574.13

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Solution

The fourth proportional to 6,368.63, 8,789.51 and 3,574.13 is: 4,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.63 : 8,789.51 = 3,574.13 : x
  2. Step 2: Convert to fraction form
    6,368.63/8,789.51 = 3,574.13/x
  3. Step 3: Cross multiply
    6,368.63x = 8,789.51 × 3,574.13
  4. Step 4: Simplify right side
    6,368.63x = 31,414,816.36
  5. Step 5: Solve for x
    x = 31,414,816.36/6,368.63
  6. Step 6: Final answer
    x = 4,932.75

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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.