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Finding the Fourth Proportional to 6,159.45, 8,486.04 and 5,743.92

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Solution

The fourth proportional to 6,159.45, 8,486.04 and 5,743.92 is: 7,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.45 : 8,486.04 = 5,743.92 : x
  2. Step 2: Convert to fraction form
    6,159.45/8,486.04 = 5,743.92/x
  3. Step 3: Cross multiply
    6,159.45x = 8,486.04 × 5,743.92
  4. Step 4: Simplify right side
    6,159.45x = 48,743,188.24
  5. Step 5: Solve for x
    x = 48,743,188.24/6,159.45
  6. Step 6: Final answer
    x = 7,913.56

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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.