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Finding the Fourth Proportional to 58,958.39, 88,378.47 and 27,390.64

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Solution

The fourth proportional to 58,958.39, 88,378.47 and 27,390.64 is: 41,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,958.39 : 88,378.47 = 27,390.64 : x
  2. Step 2: Convert to fraction form
    58,958.39/88,378.47 = 27,390.64/x
  3. Step 3: Cross multiply
    58,958.39x = 88,378.47 × 27,390.64
  4. Step 4: Simplify right side
    58,958.39x = 2,420,742,855.52
  5. Step 5: Solve for x
    x = 2,420,742,855.52/58,958.39
  6. Step 6: Final answer
    x = 41,058.50

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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.