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Finding the Fourth Proportional to 6,405.44, 8,836.52 and 4,014.63

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Solution

The fourth proportional to 6,405.44, 8,836.52 and 4,014.63 is: 5,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.44 : 8,836.52 = 4,014.63 : x
  2. Step 2: Convert to fraction form
    6,405.44/8,836.52 = 4,014.63/x
  3. Step 3: Cross multiply
    6,405.44x = 8,836.52 × 4,014.63
  4. Step 4: Simplify right side
    6,405.44x = 35,475,338.21
  5. Step 5: Solve for x
    x = 35,475,338.21/6,405.44
  6. Step 6: Final answer
    x = 5,538.32

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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.