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Finding the Fourth Proportional to 31,255.50, 46,883.25 and 9,367.50

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Solution

The fourth proportional to 31,255.50, 46,883.25 and 9,367.50 is: 14,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.50 : 46,883.25 = 9,367.50 : x
  2. Step 2: Convert to fraction form
    31,255.50/46,883.25 = 9,367.50/x
  3. Step 3: Cross multiply
    31,255.50x = 46,883.25 × 9,367.50
  4. Step 4: Simplify right side
    31,255.50x = 439,178,844.38
  5. Step 5: Solve for x
    x = 439,178,844.38/31,255.50
  6. Step 6: Final answer
    x = 14,051.25

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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.