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Finding the Fourth Proportional to 11,958.14, 17,927.76 and 4,934.10

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Solution

The fourth proportional to 11,958.14, 17,927.76 and 4,934.10 is: 7,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.14 : 17,927.76 = 4,934.10 : x
  2. Step 2: Convert to fraction form
    11,958.14/17,927.76 = 4,934.10/x
  3. Step 3: Cross multiply
    11,958.14x = 17,927.76 × 4,934.10
  4. Step 4: Simplify right side
    11,958.14x = 88,457,360.62
  5. Step 5: Solve for x
    x = 88,457,360.62/11,958.14
  6. Step 6: Final answer
    x = 7,397.25

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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.