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Finding the Fourth Proportional to 6,471.07, 8,932.88 and 4,083.19

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Solution

The fourth proportional to 6,471.07, 8,932.88 and 4,083.19 is: 5,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.07 : 8,932.88 = 4,083.19 : x
  2. Step 2: Convert to fraction form
    6,471.07/8,932.88 = 4,083.19/x
  3. Step 3: Cross multiply
    6,471.07x = 8,932.88 × 4,083.19
  4. Step 4: Simplify right side
    6,471.07x = 36,474,646.29
  5. Step 5: Solve for x
    x = 36,474,646.29/6,471.07
  6. Step 6: Final answer
    x = 5,636.57

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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.