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Finding the Fourth Proportional to 53,408.59, 73,731.68 and 49,874.83

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Solution

The fourth proportional to 53,408.59, 73,731.68 and 49,874.83 is: 68,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,408.59 : 73,731.68 = 49,874.83 : x
  2. Step 2: Convert to fraction form
    53,408.59/73,731.68 = 49,874.83/x
  3. Step 3: Cross multiply
    53,408.59x = 73,731.68 × 49,874.83
  4. Step 4: Simplify right side
    53,408.59x = 3,677,355,005.61
  5. Step 5: Solve for x
    x = 3,677,355,005.61/53,408.59
  6. Step 6: Final answer
    x = 68,853.25

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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.