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Finding the Fourth Proportional to 6,471.04, 8,930.40 and 4,896.40

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Solution

The fourth proportional to 6,471.04, 8,930.40 and 4,896.40 is: 6,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.04 : 8,930.40 = 4,896.40 : x
  2. Step 2: Convert to fraction form
    6,471.04/8,930.40 = 4,896.40/x
  3. Step 3: Cross multiply
    6,471.04x = 8,930.40 × 4,896.40
  4. Step 4: Simplify right side
    6,471.04x = 43,726,810.56
  5. Step 5: Solve for x
    x = 43,726,810.56/6,471.04
  6. Step 6: Final answer
    x = 6,757.31

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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.