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Finding the Fourth Proportional to 57,355, 79,115.58 and 36,097.36

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Solution

The fourth proportional to 57,355, 79,115.58 and 36,097.36 is: 49,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355 : 79,115.58 = 36,097.36 : x
  2. Step 2: Convert to fraction form
    57,355/79,115.58 = 36,097.36/x
  3. Step 3: Cross multiply
    57,355x = 79,115.58 × 36,097.36
  4. Step 4: Simplify right side
    57,355x = 2,855,863,572.87
  5. Step 5: Solve for x
    x = 2,855,863,572.87/57,355
  6. Step 6: Final answer
    x = 49,792.76

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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.