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Finding the Fourth Proportional to 58,579.47, 87,832.32 and 49,697.91

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Solution

The fourth proportional to 58,579.47, 87,832.32 and 49,697.91 is: 74,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.47 : 87,832.32 = 49,697.91 : x
  2. Step 2: Convert to fraction form
    58,579.47/87,832.32 = 49,697.91/x
  3. Step 3: Cross multiply
    58,579.47x = 87,832.32 × 49,697.91
  4. Step 4: Simplify right side
    58,579.47x = 4,365,082,734.45
  5. Step 5: Solve for x
    x = 4,365,082,734.45/58,579.47
  6. Step 6: Final answer
    x = 74,515.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.