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Finding the Fourth Proportional to 9,251.97, 13,881.59 and 4,054.20

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Solution

The fourth proportional to 9,251.97, 13,881.59 and 4,054.20 is: 6,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.97 : 13,881.59 = 4,054.20 : x
  2. Step 2: Convert to fraction form
    9,251.97/13,881.59 = 4,054.20/x
  3. Step 3: Cross multiply
    9,251.97x = 13,881.59 × 4,054.20
  4. Step 4: Simplify right side
    9,251.97x = 56,278,742.18
  5. Step 5: Solve for x
    x = 56,278,742.18/9,251.97
  6. Step 6: Final answer
    x = 6,082.89

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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.