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Finding the Fourth Proportional to 11,758.63, 16,229.41 and 7,045.65

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Solution

The fourth proportional to 11,758.63, 16,229.41 and 7,045.65 is: 9,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.63 : 16,229.41 = 7,045.65 : x
  2. Step 2: Convert to fraction form
    11,758.63/16,229.41 = 7,045.65/x
  3. Step 3: Cross multiply
    11,758.63x = 16,229.41 × 7,045.65
  4. Step 4: Simplify right side
    11,758.63x = 114,346,742.57
  5. Step 5: Solve for x
    x = 114,346,742.57/11,758.63
  6. Step 6: Final answer
    x = 9,724.50

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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.