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Finding the Fourth Proportional to 6,425.86, 8,867.36 and 3,592.69

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Solution

The fourth proportional to 6,425.86, 8,867.36 and 3,592.69 is: 4,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.86 : 8,867.36 = 3,592.69 : x
  2. Step 2: Convert to fraction form
    6,425.86/8,867.36 = 3,592.69/x
  3. Step 3: Cross multiply
    6,425.86x = 8,867.36 × 3,592.69
  4. Step 4: Simplify right side
    6,425.86x = 31,857,613.30
  5. Step 5: Solve for x
    x = 31,857,613.30/6,425.86
  6. Step 6: Final answer
    x = 4,957.72

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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.