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Finding the Fourth Proportional to 34,919.94, 48,190.54 and 19,005.42

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Solution

The fourth proportional to 34,919.94, 48,190.54 and 19,005.42 is: 26,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.94 : 48,190.54 = 19,005.42 : x
  2. Step 2: Convert to fraction form
    34,919.94/48,190.54 = 19,005.42/x
  3. Step 3: Cross multiply
    34,919.94x = 48,190.54 × 19,005.42
  4. Step 4: Simplify right side
    34,919.94x = 915,881,452.73
  5. Step 5: Solve for x
    x = 915,881,452.73/34,919.94
  6. Step 6: Final answer
    x = 26,228.04

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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.