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Finding the Fourth Proportional to 6,656.97, 9,989.10 and 4,467.54

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Solution

The fourth proportional to 6,656.97, 9,989.10 and 4,467.54 is: 6,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.97 : 9,989.10 = 4,467.54 : x
  2. Step 2: Convert to fraction form
    6,656.97/9,989.10 = 4,467.54/x
  3. Step 3: Cross multiply
    6,656.97x = 9,989.10 × 4,467.54
  4. Step 4: Simplify right side
    6,656.97x = 44,626,703.81
  5. Step 5: Solve for x
    x = 44,626,703.81/6,656.97
  6. Step 6: Final answer
    x = 6,703.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.