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Finding the Fourth Proportional to 34,993.12, 48,292.02 and 19,078.48

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Solution

The fourth proportional to 34,993.12, 48,292.02 and 19,078.48 is: 26,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.12 : 48,292.02 = 19,078.48 : x
  2. Step 2: Convert to fraction form
    34,993.12/48,292.02 = 19,078.48/x
  3. Step 3: Cross multiply
    34,993.12x = 48,292.02 × 19,078.48
  4. Step 4: Simplify right side
    34,993.12x = 921,338,337.73
  5. Step 5: Solve for x
    x = 921,338,337.73/34,993.12
  6. Step 6: Final answer
    x = 26,329.13

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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.