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Finding the Fourth Proportional to 6,472.30, 8,936.21 and 4,957.19

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Solution

The fourth proportional to 6,472.30, 8,936.21 and 4,957.19 is: 6,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.30 : 8,936.21 = 4,957.19 : x
  2. Step 2: Convert to fraction form
    6,472.30/8,936.21 = 4,957.19/x
  3. Step 3: Cross multiply
    6,472.30x = 8,936.21 × 4,957.19
  4. Step 4: Simplify right side
    6,472.30x = 44,298,490.85
  5. Step 5: Solve for x
    x = 44,298,490.85/6,472.30
  6. Step 6: Final answer
    x = 6,844.32

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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.