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Finding the Fourth Proportional to 6,451.16, 8,901 and 4,092.44

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Solution

The fourth proportional to 6,451.16, 8,901 and 4,092.44 is: 5,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.16 : 8,901 = 4,092.44 : x
  2. Step 2: Convert to fraction form
    6,451.16/8,901 = 4,092.44/x
  3. Step 3: Cross multiply
    6,451.16x = 8,901 × 4,092.44
  4. Step 4: Simplify right side
    6,451.16x = 36,426,808.44
  5. Step 5: Solve for x
    x = 36,426,808.44/6,451.16
  6. Step 6: Final answer
    x = 5,646.55

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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.