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Finding the Fourth Proportional to 26,674.92, 40,019.47 and 7,955.01

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Solution

The fourth proportional to 26,674.92, 40,019.47 and 7,955.01 is: 11,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.92 : 40,019.47 = 7,955.01 : x
  2. Step 2: Convert to fraction form
    26,674.92/40,019.47 = 7,955.01/x
  3. Step 3: Cross multiply
    26,674.92x = 40,019.47 × 7,955.01
  4. Step 4: Simplify right side
    26,674.92x = 318,355,264.16
  5. Step 5: Solve for x
    x = 318,355,264.16/26,674.92
  6. Step 6: Final answer
    x = 11,934.63

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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.