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Finding the Fourth Proportional to 31,124.88, 46,673.55 and 8,933.11

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Solution

The fourth proportional to 31,124.88, 46,673.55 and 8,933.11 is: 13,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.88 : 46,673.55 = 8,933.11 : x
  2. Step 2: Convert to fraction form
    31,124.88/46,673.55 = 8,933.11/x
  3. Step 3: Cross multiply
    31,124.88x = 46,673.55 × 8,933.11
  4. Step 4: Simplify right side
    31,124.88x = 416,939,839.56
  5. Step 5: Solve for x
    x = 416,939,839.56/31,124.88
  6. Step 6: Final answer
    x = 13,395.71

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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.