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Finding the Fourth Proportional to 26,097.81, 39,146.71 and 7,629.81

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Solution

The fourth proportional to 26,097.81, 39,146.71 and 7,629.81 is: 11,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,097.81 : 39,146.71 = 7,629.81 : x
  2. Step 2: Convert to fraction form
    26,097.81/39,146.71 = 7,629.81/x
  3. Step 3: Cross multiply
    26,097.81x = 39,146.71 × 7,629.81
  4. Step 4: Simplify right side
    26,097.81x = 298,681,744.62
  5. Step 5: Solve for x
    x = 298,681,744.62/26,097.81
  6. Step 6: Final answer
    x = 11,444.71

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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.