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Finding the Fourth Proportional to 6,637.50, 9,160.97 and 3,843

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Solution

The fourth proportional to 6,637.50, 9,160.97 and 3,843 is: 5,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.50 : 9,160.97 = 3,843 : x
  2. Step 2: Convert to fraction form
    6,637.50/9,160.97 = 3,843/x
  3. Step 3: Cross multiply
    6,637.50x = 9,160.97 × 3,843
  4. Step 4: Simplify right side
    6,637.50x = 35,205,588.50
  5. Step 5: Solve for x
    x = 35,205,588.50/6,637.50
  6. Step 6: Final answer
    x = 5,304.04

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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.