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Finding the Fourth Proportional to 9,159.88, 13,741.64 and 3,894.85

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Solution

The fourth proportional to 9,159.88, 13,741.64 and 3,894.85 is: 5,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.88 : 13,741.64 = 3,894.85 : x
  2. Step 2: Convert to fraction form
    9,159.88/13,741.64 = 3,894.85/x
  3. Step 3: Cross multiply
    9,159.88x = 13,741.64 × 3,894.85
  4. Step 4: Simplify right side
    9,159.88x = 53,521,561.57
  5. Step 5: Solve for x
    x = 53,521,561.57/9,159.88
  6. Step 6: Final answer
    x = 5,843.04

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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.