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Finding the Fourth Proportional to 9,277.13, 12,797.99 and 8,919.08

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Solution

The fourth proportional to 9,277.13, 12,797.99 and 8,919.08 is: 12,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.13 : 12,797.99 = 8,919.08 : x
  2. Step 2: Convert to fraction form
    9,277.13/12,797.99 = 8,919.08/x
  3. Step 3: Cross multiply
    9,277.13x = 12,797.99 × 8,919.08
  4. Step 4: Simplify right side
    9,277.13x = 114,146,188.06
  5. Step 5: Solve for x
    x = 114,146,188.06/9,277.13
  6. Step 6: Final answer
    x = 12,304.05

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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.