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Finding the Fourth Proportional to 58,697.72, 88,043.52 and 19,249.64

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Solution

The fourth proportional to 58,697.72, 88,043.52 and 19,249.64 is: 28,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,697.72 : 88,043.52 = 19,249.64 : x
  2. Step 2: Convert to fraction form
    58,697.72/88,043.52 = 19,249.64/x
  3. Step 3: Cross multiply
    58,697.72x = 88,043.52 × 19,249.64
  4. Step 4: Simplify right side
    58,697.72x = 1,694,806,064.33
  5. Step 5: Solve for x
    x = 1,694,806,064.33/58,697.72
  6. Step 6: Final answer
    x = 28,873.46

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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.