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Finding the Fourth Proportional to 77,846.91, 116,820.02 and 27,925.90

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Solution

The fourth proportional to 77,846.91, 116,820.02 and 27,925.90 is: 41,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,846.91 : 116,820.02 = 27,925.90 : x
  2. Step 2: Convert to fraction form
    77,846.91/116,820.02 = 27,925.90/x
  3. Step 3: Cross multiply
    77,846.91x = 116,820.02 × 27,925.90
  4. Step 4: Simplify right side
    77,846.91x = 3,262,303,974.28
  5. Step 5: Solve for x
    x = 3,262,303,974.28/77,846.91
  6. Step 6: Final answer
    x = 41,906.66

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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.