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Finding the Fourth Proportional to 6,392.95, 8,825.00 and 4,298.29

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Solution

The fourth proportional to 6,392.95, 8,825.00 and 4,298.29 is: 5,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.95 : 8,825.00 = 4,298.29 : x
  2. Step 2: Convert to fraction form
    6,392.95/8,825.00 = 4,298.29/x
  3. Step 3: Cross multiply
    6,392.95x = 8,825.00 × 4,298.29
  4. Step 4: Simplify right side
    6,392.95x = 37,932,365.70
  5. Step 5: Solve for x
    x = 37,932,365.70/6,392.95
  6. Step 6: Final answer
    x = 5,933.47

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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.