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Finding the Fourth Proportional to 25,950.72, 38,942.63 and 9,310.38

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Solution

The fourth proportional to 25,950.72, 38,942.63 and 9,310.38 is: 13,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.72 : 38,942.63 = 9,310.38 : x
  2. Step 2: Convert to fraction form
    25,950.72/38,942.63 = 9,310.38/x
  3. Step 3: Cross multiply
    25,950.72x = 38,942.63 × 9,310.38
  4. Step 4: Simplify right side
    25,950.72x = 362,570,804.13
  5. Step 5: Solve for x
    x = 362,570,804.13/25,950.72
  6. Step 6: Final answer
    x = 13,971.51

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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.