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Finding the Fourth Proportional to 31,299.33, 46,950.71 and 7,925.97

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Solution

The fourth proportional to 31,299.33, 46,950.71 and 7,925.97 is: 11,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.33 : 46,950.71 = 7,925.97 : x
  2. Step 2: Convert to fraction form
    31,299.33/46,950.71 = 7,925.97/x
  3. Step 3: Cross multiply
    31,299.33x = 46,950.71 × 7,925.97
  4. Step 4: Simplify right side
    31,299.33x = 372,129,879.31
  5. Step 5: Solve for x
    x = 372,129,879.31/31,299.33
  6. Step 6: Final answer
    x = 11,889.39

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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.