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Finding the Fourth Proportional to 34,860.82, 48,106.60 and 18,944.92

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Solution

The fourth proportional to 34,860.82, 48,106.60 and 18,944.92 is: 26,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.82 : 48,106.60 = 18,944.92 : x
  2. Step 2: Convert to fraction form
    34,860.82/48,106.60 = 18,944.92/x
  3. Step 3: Cross multiply
    34,860.82x = 48,106.60 × 18,944.92
  4. Step 4: Simplify right side
    34,860.82x = 911,375,688.47
  5. Step 5: Solve for x
    x = 911,375,688.47/34,860.82
  6. Step 6: Final answer
    x = 26,143.27

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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.