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Finding the Fourth Proportional to 6,371.64, 8,793.90 and 5,323.32

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Solution

The fourth proportional to 6,371.64, 8,793.90 and 5,323.32 is: 7,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.64 : 8,793.90 = 5,323.32 : x
  2. Step 2: Convert to fraction form
    6,371.64/8,793.90 = 5,323.32/x
  3. Step 3: Cross multiply
    6,371.64x = 8,793.90 × 5,323.32
  4. Step 4: Simplify right side
    6,371.64x = 46,812,743.75
  5. Step 5: Solve for x
    x = 46,812,743.75/6,371.64
  6. Step 6: Final answer
    x = 7,347.05

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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.