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Finding the Fourth Proportional to 50,800.83, 70,098.50 and 29,291.39

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Solution

The fourth proportional to 50,800.83, 70,098.50 and 29,291.39 is: 40,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.83 : 70,098.50 = 29,291.39 : x
  2. Step 2: Convert to fraction form
    50,800.83/70,098.50 = 29,291.39/x
  3. Step 3: Cross multiply
    50,800.83x = 70,098.50 × 29,291.39
  4. Step 4: Simplify right side
    50,800.83x = 2,053,282,501.92
  5. Step 5: Solve for x
    x = 2,053,282,501.92/50,800.83
  6. Step 6: Final answer
    x = 40,418.29

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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.