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Finding the Fourth Proportional to 11,950.13, 17,910.42 and 4,925.71

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Solution

The fourth proportional to 11,950.13, 17,910.42 and 4,925.71 is: 7,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.13 : 17,910.42 = 4,925.71 : x
  2. Step 2: Convert to fraction form
    11,950.13/17,910.42 = 4,925.71/x
  3. Step 3: Cross multiply
    11,950.13x = 17,910.42 × 4,925.71
  4. Step 4: Simplify right side
    11,950.13x = 88,221,538.81
  5. Step 5: Solve for x
    x = 88,221,538.81/11,950.13
  6. Step 6: Final answer
    x = 7,382.47

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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.