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Finding the Fourth Proportional to 6,477.82, 8,942.10 and 4,383.16

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Solution

The fourth proportional to 6,477.82, 8,942.10 and 4,383.16 is: 6,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.82 : 8,942.10 = 4,383.16 : x
  2. Step 2: Convert to fraction form
    6,477.82/8,942.10 = 4,383.16/x
  3. Step 3: Cross multiply
    6,477.82x = 8,942.10 × 4,383.16
  4. Step 4: Simplify right side
    6,477.82x = 39,194,655.04
  5. Step 5: Solve for x
    x = 39,194,655.04/6,477.82
  6. Step 6: Final answer
    x = 6,050.59

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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.