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Finding the Fourth Proportional to 25,969.16, 38,958.93 and 7,254.56

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Solution

The fourth proportional to 25,969.16, 38,958.93 and 7,254.56 is: 10,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.16 : 38,958.93 = 7,254.56 : x
  2. Step 2: Convert to fraction form
    25,969.16/38,958.93 = 7,254.56/x
  3. Step 3: Cross multiply
    25,969.16x = 38,958.93 × 7,254.56
  4. Step 4: Simplify right side
    25,969.16x = 282,629,895.22
  5. Step 5: Solve for x
    x = 282,629,895.22/25,969.16
  6. Step 6: Final answer
    x = 10,883.29

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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.