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Finding the Fourth Proportional to 84,516.95, 126,795.42 and 27,590.55

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Solution

The fourth proportional to 84,516.95, 126,795.42 and 27,590.55 is: 41,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,516.95 : 126,795.42 = 27,590.55 : x
  2. Step 2: Convert to fraction form
    84,516.95/126,795.42 = 27,590.55/x
  3. Step 3: Cross multiply
    84,516.95x = 126,795.42 × 27,590.55
  4. Step 4: Simplify right side
    84,516.95x = 3,498,355,375.28
  5. Step 5: Solve for x
    x = 3,498,355,375.28/84,516.95
  6. Step 6: Final answer
    x = 41,392.35

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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.