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Finding the Fourth Proportional to 9,016.65, 13,528.22 and 7,934.49

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Solution

The fourth proportional to 9,016.65, 13,528.22 and 7,934.49 is: 11,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016.65 : 13,528.22 = 7,934.49 : x
  2. Step 2: Convert to fraction form
    9,016.65/13,528.22 = 7,934.49/x
  3. Step 3: Cross multiply
    9,016.65x = 13,528.22 × 7,934.49
  4. Step 4: Simplify right side
    9,016.65x = 107,339,486.64
  5. Step 5: Solve for x
    x = 107,339,486.64/9,016.65
  6. Step 6: Final answer
    x = 11,904.59

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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.