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Finding the Fourth Proportional to 62,764, 94,154.80 and 18,393.92

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Solution

The fourth proportional to 62,764, 94,154.80 and 18,393.92 is: 27,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,764 : 94,154.80 = 18,393.92 : x
  2. Step 2: Convert to fraction form
    62,764/94,154.80 = 18,393.92/x
  3. Step 3: Cross multiply
    62,764x = 94,154.80 × 18,393.92
  4. Step 4: Simplify right side
    62,764x = 1,731,875,858.82
  5. Step 5: Solve for x
    x = 1,731,875,858.82/62,764
  6. Step 6: Final answer
    x = 27,593.46

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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.