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Finding the Fourth Proportional to 31,299.54, 46,950.53 and 7,926.59

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Solution

The fourth proportional to 31,299.54, 46,950.53 and 7,926.59 is: 11,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.54 : 46,950.53 = 7,926.59 : x
  2. Step 2: Convert to fraction form
    31,299.54/46,950.53 = 7,926.59/x
  3. Step 3: Cross multiply
    31,299.54x = 46,950.53 × 7,926.59
  4. Step 4: Simplify right side
    31,299.54x = 372,157,601.59
  5. Step 5: Solve for x
    x = 372,157,601.59/31,299.54
  6. Step 6: Final answer
    x = 11,890.19

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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.