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Finding the Fourth Proportional to 55,253.32, 82,904.48 and 28,951.80

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Solution

The fourth proportional to 55,253.32, 82,904.48 and 28,951.80 is: 43,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.32 : 82,904.48 = 28,951.80 : x
  2. Step 2: Convert to fraction form
    55,253.32/82,904.48 = 28,951.80/x
  3. Step 3: Cross multiply
    55,253.32x = 82,904.48 × 28,951.80
  4. Step 4: Simplify right side
    55,253.32x = 2,400,233,924.06
  5. Step 5: Solve for x
    x = 2,400,233,924.06/55,253.32
  6. Step 6: Final answer
    x = 43,440.54

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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.