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Finding the Fourth Proportional to 6,994.60, 9,650.08 and 4,477.12

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Solution

The fourth proportional to 6,994.60, 9,650.08 and 4,477.12 is: 6,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.60 : 9,650.08 = 4,477.12 : x
  2. Step 2: Convert to fraction form
    6,994.60/9,650.08 = 4,477.12/x
  3. Step 3: Cross multiply
    6,994.60x = 9,650.08 × 4,477.12
  4. Step 4: Simplify right side
    6,994.60x = 43,204,566.17
  5. Step 5: Solve for x
    x = 43,204,566.17/6,994.60
  6. Step 6: Final answer
    x = 6,176.85

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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.