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Finding the Fourth Proportional to 9,170.01, 13,755.42 and 3,975.75

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Solution

The fourth proportional to 9,170.01, 13,755.42 and 3,975.75 is: 5,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.01 : 13,755.42 = 3,975.75 : x
  2. Step 2: Convert to fraction form
    9,170.01/13,755.42 = 3,975.75/x
  3. Step 3: Cross multiply
    9,170.01x = 13,755.42 × 3,975.75
  4. Step 4: Simplify right side
    9,170.01x = 54,688,111.07
  5. Step 5: Solve for x
    x = 54,688,111.07/9,170.01
  6. Step 6: Final answer
    x = 5,963.80

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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.