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Finding the Fourth Proportional to 9,329.01, 13,993.29 and 3,780.87

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Solution

The fourth proportional to 9,329.01, 13,993.29 and 3,780.87 is: 5,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.01 : 13,993.29 = 3,780.87 : x
  2. Step 2: Convert to fraction form
    9,329.01/13,993.29 = 3,780.87/x
  3. Step 3: Cross multiply
    9,329.01x = 13,993.29 × 3,780.87
  4. Step 4: Simplify right side
    9,329.01x = 52,906,810.36
  5. Step 5: Solve for x
    x = 52,906,810.36/9,329.01
  6. Step 6: Final answer
    x = 5,671.21

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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.