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Finding the Fourth Proportional to 6,635.95, 9,946.94 and 3,342.12

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Solution

The fourth proportional to 6,635.95, 9,946.94 and 3,342.12 is: 5,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.95 : 9,946.94 = 3,342.12 : x
  2. Step 2: Convert to fraction form
    6,635.95/9,946.94 = 3,342.12/x
  3. Step 3: Cross multiply
    6,635.95x = 9,946.94 × 3,342.12
  4. Step 4: Simplify right side
    6,635.95x = 33,243,850.40
  5. Step 5: Solve for x
    x = 33,243,850.40/6,635.95
  6. Step 6: Final answer
    x = 5,009.66

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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.