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Finding the Fourth Proportional to 6,477.05, 8,942.04 and 4,355.66

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Solution

The fourth proportional to 6,477.05, 8,942.04 and 4,355.66 is: 6,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.05 : 8,942.04 = 4,355.66 : x
  2. Step 2: Convert to fraction form
    6,477.05/8,942.04 = 4,355.66/x
  3. Step 3: Cross multiply
    6,477.05x = 8,942.04 × 4,355.66
  4. Step 4: Simplify right side
    6,477.05x = 38,948,441.24
  5. Step 5: Solve for x
    x = 38,948,441.24/6,477.05
  6. Step 6: Final answer
    x = 6,013.30

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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.