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Finding the Fourth Proportional to 55,794.88, 83,706.48 and 25,830.72

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Solution

The fourth proportional to 55,794.88, 83,706.48 and 25,830.72 is: 38,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.88 : 83,706.48 = 25,830.72 : x
  2. Step 2: Convert to fraction form
    55,794.88/83,706.48 = 25,830.72/x
  3. Step 3: Cross multiply
    55,794.88x = 83,706.48 × 25,830.72
  4. Step 4: Simplify right side
    55,794.88x = 2,162,198,647.07
  5. Step 5: Solve for x
    x = 2,162,198,647.07/55,794.88
  6. Step 6: Final answer
    x = 38,752.64

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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.