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Finding the Fourth Proportional to 6,637.95, 9,963.07 and 3,353.34

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Solution

The fourth proportional to 6,637.95, 9,963.07 and 3,353.34 is: 5,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.95 : 9,963.07 = 3,353.34 : x
  2. Step 2: Convert to fraction form
    6,637.95/9,963.07 = 3,353.34/x
  3. Step 3: Cross multiply
    6,637.95x = 9,963.07 × 3,353.34
  4. Step 4: Simplify right side
    6,637.95x = 33,409,561.15
  5. Step 5: Solve for x
    x = 33,409,561.15/6,637.95
  6. Step 6: Final answer
    x = 5,033.11

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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.