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Finding the Fourth Proportional to 58,864.88, 88,309.62 and 19,449.68

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Solution

The fourth proportional to 58,864.88, 88,309.62 and 19,449.68 is: 29,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,864.88 : 88,309.62 = 19,449.68 : x
  2. Step 2: Convert to fraction form
    58,864.88/88,309.62 = 19,449.68/x
  3. Step 3: Cross multiply
    58,864.88x = 88,309.62 × 19,449.68
  4. Step 4: Simplify right side
    58,864.88x = 1,717,593,408.37
  5. Step 5: Solve for x
    x = 1,717,593,408.37/58,864.88
  6. Step 6: Final answer
    x = 29,178.58

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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.