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Finding the Fourth Proportional to 34,894.79, 48,143.93 and 19,786.26

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Solution

The fourth proportional to 34,894.79, 48,143.93 and 19,786.26 is: 27,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.79 : 48,143.93 = 19,786.26 : x
  2. Step 2: Convert to fraction form
    34,894.79/48,143.93 = 19,786.26/x
  3. Step 3: Cross multiply
    34,894.79x = 48,143.93 × 19,786.26
  4. Step 4: Simplify right side
    34,894.79x = 952,588,217.47
  5. Step 5: Solve for x
    x = 952,588,217.47/34,894.79
  6. Step 6: Final answer
    x = 27,298.87

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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.