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Finding the Fourth Proportional to 51,150.96, 70,590.96 and 28,794.96

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Solution

The fourth proportional to 51,150.96, 70,590.96 and 28,794.96 is: 39,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150.96 : 70,590.96 = 28,794.96 : x
  2. Step 2: Convert to fraction form
    51,150.96/70,590.96 = 28,794.96/x
  3. Step 3: Cross multiply
    51,150.96x = 70,590.96 × 28,794.96
  4. Step 4: Simplify right side
    51,150.96x = 2,032,663,869.56
  5. Step 5: Solve for x
    x = 2,032,663,869.56/51,150.96
  6. Step 6: Final answer
    x = 39,738.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.