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Finding the Fourth Proportional to 6,637.63, 9,947.79 and 3,348.93

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Solution

The fourth proportional to 6,637.63, 9,947.79 and 3,348.93 is: 5,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.63 : 9,947.79 = 3,348.93 : x
  2. Step 2: Convert to fraction form
    6,637.63/9,947.79 = 3,348.93/x
  3. Step 3: Cross multiply
    6,637.63x = 9,947.79 × 3,348.93
  4. Step 4: Simplify right side
    6,637.63x = 33,314,452.36
  5. Step 5: Solve for x
    x = 33,314,452.36/6,637.63
  6. Step 6: Final answer
    x = 5,019.03

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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.