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Finding the Fourth Proportional to 62,765.74, 94,141.72 and 18,392.93

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Solution

The fourth proportional to 62,765.74, 94,141.72 and 18,392.93 is: 27,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765.74 : 94,141.72 = 18,392.93 : x
  2. Step 2: Convert to fraction form
    62,765.74/94,141.72 = 18,392.93/x
  3. Step 3: Cross multiply
    62,765.74x = 94,141.72 × 18,392.93
  4. Step 4: Simplify right side
    62,765.74x = 1,731,541,503.37
  5. Step 5: Solve for x
    x = 1,731,541,503.37/62,765.74
  6. Step 6: Final answer
    x = 27,587.37

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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.