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Finding the Fourth Proportional to 77,807.32, 116,726.28 and 27,873.97

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Solution

The fourth proportional to 77,807.32, 116,726.28 and 27,873.97 is: 41,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807.32 : 116,726.28 = 27,873.97 : x
  2. Step 2: Convert to fraction form
    77,807.32/116,726.28 = 27,873.97/x
  3. Step 3: Cross multiply
    77,807.32x = 116,726.28 × 27,873.97
  4. Step 4: Simplify right side
    77,807.32x = 3,253,624,103.93
  5. Step 5: Solve for x
    x = 3,253,624,103.93/77,807.32
  6. Step 6: Final answer
    x = 41,816.43

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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.