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Finding the Fourth Proportional to 58,460.94, 87,660.18 and 30,352.68

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Solution

The fourth proportional to 58,460.94, 87,660.18 and 30,352.68 is: 45,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,460.94 : 87,660.18 = 30,352.68 : x
  2. Step 2: Convert to fraction form
    58,460.94/87,660.18 = 30,352.68/x
  3. Step 3: Cross multiply
    58,460.94x = 87,660.18 × 30,352.68
  4. Step 4: Simplify right side
    58,460.94x = 2,660,721,392.28
  5. Step 5: Solve for x
    x = 2,660,721,392.28/58,460.94
  6. Step 6: Final answer
    x = 45,512.81

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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.